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Latest Rapid Alerts
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 3:21AM CDT until July 3 at 8:00PM CDT by NWS Paducah KY
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values from 105 to 112 degrees can be expected. For the Heat Advisory, heat index values will reach from 102 to 107 degrees.* WHERE...All of southern Illinois,…
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values from 105 to 112 degrees can be expected. For the Heat Advisory, heat index values will reach from 102 to 107 degrees.
* WHERE...All of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri.
* WHEN...For the Extreme Heat Warning, until 8 PM CDT /9 PM EDT/ this evening. For the Heat Advisory, from 8 PM CDT /9 PM EDT/ this evening to 8 PM CDT /9 PM EDT/ Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 5:02 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 3:24AM CDT until July 3 at 10:00PM CDT by NWS Quad Cities IA IL
* WHAT...Dangerously hot and humid conditions with continued heat index values of 100 to 105 expected.* WHERE...Portions of west central Illinois, southeast Iowa, and northeast Missouri.* WHEN...Until 10 PM CDT this evening.* IMPACTS...Heat related…
* WHAT...Dangerously hot and humid conditions with continued heat index values of 100 to 105 expected.
* WHERE...Portions of west central Illinois, southeast Iowa, and northeast Missouri.
* WHEN...Until 10 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 10, 11:53 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 4:10AM EDT until July 3 at 9:00PM EDT by NWS Louisville KY
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 100-110. For the Heat Advisory, heat index values up to 105 expected.* WHERE...Portions of south central Indiana and central Kentucky.* WHEN...For the…
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 100-110. For the Heat Advisory, heat index values up to 105 expected.
* WHERE...Portions of south central Indiana and central Kentucky.
* WHEN...For the Extreme Heat Warning, until 9 PM EDT /8 PM CDT/ this evening. For the Heat Advisory, from 9 PM EDT /8 PM CDT/ this evening to 9 PM EDT /8 PM CDT/ Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 8:36 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 4:10AM EDT until July 3 at 8:00PM EDT by NWS Detroit/Pontiac MI
* WHAT...Dangerously hot conditions with heat index values up to 105.* WHERE...A portion of southeast Michigan.* WHEN...Until 8 PM EDT this evening.* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity…
* WHAT...Dangerously hot conditions with heat index values up to 105.
* WHERE...A portion of southeast Michigan.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 8, 6:24 AM UTC
NWS / NOAA weather: Flash Flood Warning issued July 3 at 2:58AM CDT until July 3 at 5:15AM CDT by NWS Des Moines IA
At 258 AM CDT, the Iowa Department of Transportation reported 6 to 12 inches of water on I-35 northbound just north of Ankeny. Parts of northern Polk County have received between 4 and 8 inches of rainfall per rain gage observations and radar…
At 258 AM CDT, the Iowa Department of Transportation reported 6 to 12 inches of water on I-35 northbound just north of Ankeny. Parts of northern Polk County have received between 4 and 8 inches of rainfall per rain gage observations and radar estimates. For northern Jasper County, rainfall amounts of 2 to 4 inches are more common. Additional rainfall amounts of 1 to 2 inches are possible in the warned area as storms continue to move into the area this morning. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding.
SOURCE...Department of Transportation reported.
IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include... Ankeny, Johnston, Newton, Bondurant, Polk City, Colfax, Granger, Baxter, Iowa Speedway, Saylorville Lake, Big Creek Lake, Elkhart, Alleman, Sheldahl, Mingo, Lambs Grove, Valeria, Newton Municipal Airport and Big Creek State Park.
Expect significant flash flooding in the Fourmile Creek Basin.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 10, 12:05 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 3:02AM CDT until July 4 at 8:00PM CDT by NWS Kansas City/Pleasant Hill MO
* WHAT...Dangerously hot conditions with heat index values up to 100-110 expected. Overnight lows in the upper 70s.* WHERE...Portions of east central and northeast Kansas and central, north central, and west central Missouri.* WHEN...Until 8 PM CDT…
* WHAT...Dangerously hot conditions with heat index values up to 100-110 expected. Overnight lows in the upper 70s.
* WHERE...Portions of east central and northeast Kansas and central, north central, and west central Missouri.
* WHEN...Until 8 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:27 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 3:02AM CDT until July 3 at 9:00PM CDT by NWS Kansas City/Pleasant Hill MO
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 100-110. For the Heat Advisory, heat index values up to 100-105 expected.* WHERE...Portions of northeast Kansas and north central, northeast, and…
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 100-110. For the Heat Advisory, heat index values up to 100-105 expected.
* WHERE...Portions of northeast Kansas and north central, northeast, and northwest Missouri.
* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening. For the Heat Advisory, from 9 PM this evening to 8 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 8, 9:22 AM UTC
NWS / NOAA weather: Red Flag Warning issued July 3 at 1:55AM MDT until July 3 at 8:00PM MDT by NWS Grand Junction CO
* AFFECTED AREA...In Colorado, Fire Weather Zone 207 Southwest Colorado Lower Forecast Area, Fire Weather Zone 290 Paradox Valley Forecast Area, Fire Weather Zone 291 Northern San Juan Forecast Area, Fire Weather Zone 292 North Fork Forecast…
* AFFECTED AREA...In Colorado, Fire Weather Zone 207 Southwest Colorado Lower Forecast Area, Fire Weather Zone 290 Paradox Valley Forecast Area, Fire Weather Zone 291 Northern San Juan Forecast Area, Fire Weather Zone 292 North Fork Forecast Area, Fire Weather Zone 293 Gunnison Basin Forecast Area and Fire Weather Zone 294 Southwest Colorado Upper West Forecast Area.
* TIMING...From noon today to 8 PM MDT this evening.
* WINDS...Southwest 10 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...7 to 12 percent.
* IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 7, 12:05 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 3:34AM EDT until July 4 at 8:00PM EDT by NWS Blacksburg VA
* WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected.* WHERE...Caswell and…
* WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected.
* WHERE...Caswell and Rockingham Counties.
* WHEN...For the first Extreme Heat Warning, from 11 AM this morning to 8 PM EDT this evening. For the second Extreme Heat Warning, from 11 AM to 8 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 11, 7:14 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 3:34AM EDT until July 3 at 8:00PM EDT by NWS Blacksburg VA
* WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected.* WHERE...Caswell and…
* WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected.
* WHERE...Caswell and Rockingham Counties.
* WHEN...For the first Extreme Heat Warning, from 11 AM this morning to 8 PM EDT this evening. For the second Extreme Heat Warning, from 11 AM to 8 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:25 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 3:28AM EDT until July 3 at 8:00PM EDT by NWS Blacksburg VA
* WHAT...Dangerously hot conditions with heat index values up to 111 expected.* WHERE...Caswell and Rockingham Counties.* WHEN...From 11 AM this morning to 8 PM EDT this evening.* IMPACTS...Heat related illnesses increase significantly…
* WHAT...Dangerously hot conditions with heat index values up to 111 expected.
* WHERE...Caswell and Rockingham Counties.
* WHEN...From 11 AM this morning to 8 PM EDT this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 5:51 AM UTC
NWS / NOAA weather: Flash Flood Warning issued July 3 at 2:14AM CDT until July 3 at 5:30AM CDT by NWS Sioux Falls SD
The National Weather Service in Sioux Falls has issued a* Flash Flood Warning for... Northwestern Woodbury County in west central Iowa... Northeastern Dakota County in northeastern Nebraska... Southeastern Union County in southeastern South Dakota...…
The National Weather Service in Sioux Falls has issued a
* Flash Flood Warning for... Northwestern Woodbury County in west central Iowa... Northeastern Dakota County in northeastern Nebraska... Southeastern Union County in southeastern South Dakota...
* Until 530 AM CDT.
* At 214 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Up to 2 inches of rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of urban areas, highways, streets and underpasses as well as other poor drainage and low- lying areas.
* Some locations that will experience flash flooding include... Sioux City, South Sioux City and North Sioux City.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 11, 5:25 PM UTC
NWS / NOAA weather: Flood Warning issued July 3 at 1:18AM MDT until July 3 at 11:00AM MDT by NWS Goodland KS
Flooding continues in northeast Dundy county and northwest Hitchcock county from earlier heavy rainfall. Washed out and impassable roads have been reported.…
Flooding continues in northeast Dundy county and northwest Hitchcock county from earlier heavy rainfall. Washed out and impassable roads have been reported. Please adhere to any road closures and do not drive through flooded areas, especially at night when it is harder to gauge water depth.
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Northeastern Dundy County in southwestern Nebraska... Northwestern Hitchcock County in southwestern Nebraska...
* WHEN...Until 1100 AM MDT /noon CDT/ Tonight.
* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. Low-water crossings are inundated with water and may not be passable.
* ADDITIONAL DETAILS... - At 117 AM MDT /217 AM CDT/, Doppler radar indicated heavy rain due to thunderstorms. Flooding is already occurring in the warned area. Between 3 and 5 inches of rain have fallen. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Palisade.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:28 PM UTC
NWS / NOAA weather: Flash Flood Warning issued July 3 at 2:19AM CDT until July 3 at 4:00AM CDT by NWS Sioux Falls SD
At 219 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 5 inches of rain have fallen, highest between Vermillion, Maskell and Newcastle, and into Union County west…
At 219 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 5 inches of rain have fallen, highest between Vermillion, Maskell and Newcastle, and into Union County west of Elk Point. The expected rainfall rate is less than 1 inch in 1 hour. Additional rainfall amounts less than 1 inch are expected in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of especially urban areas, along with small creeks and streams, highways, streets and underpasses, as well as other poor drainage and low- lying areas.
Some locations that will experience flash flooding include... Yankton, Vermillion, Lewis And Clark State Recreation Area, Elk Point, Newcastle, Meckling and Maskell.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 5:07 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 3:19AM EDT until July 4 at 8:00PM EDT by NWS Mount Holly NJ
* WHAT...Dangerously hot conditions with heat index values between 105 and 115 degrees expected each day.* WHERE...Portions of northern Delaware, central and southern New Jersey, and southeast Pennsylvania.* WHEN...Until 8 PM EDT Saturday.* IMPACTS..…
* WHAT...Dangerously hot conditions with heat index values between 105 and 115 degrees expected each day.
* WHERE...Portions of northern Delaware, central and southern New Jersey, and southeast Pennsylvania.
* WHEN...Until 8 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...Very warm low temperatures in the mid 70s to low 80s at night will not offer any relief from the heat. This combined with multiple days of near record breaking temperatures will exacerbate the impacts from the heat and humidity. The hottest conditions are expected to occur through today, however dangerous heat will continue through Saturday.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 7:23 PM UTC
NWS / NOAA weather: Red Flag Warning issued July 3 at 1:02AM MDT until July 4 at 12:00AM MDT by NWS Pueblo CO
* AFFECTED AREA...Fire Weather Zones 220, 221, 222, 223, 224, 225, 226, 227, 228, 229 and 230.* WINDS...Southwest 10 to 20 mph with gusts up to 30 mph.* RELATIVE HUMIDITY...As low as 5 percent.* IMPACTS...Fires will catch and spread quickly.…
* AFFECTED AREA...Fire Weather Zones 220, 221, 222, 223, 224, 225, 226, 227, 228, 229 and 230.
* WINDS...Southwest 10 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 5 percent.
* IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:28 PM UTC
NWS / NOAA weather: Flood Warning issued July 3 at 2:04AM CDT until July 3 at 8:00AM CDT by NWS Chicago IL
* WHAT...Flooding caused from excessive rainfall is expected.* WHERE...Portions of north central and northeast Illinois, including the following counties, in north central Illinois, De Kalb.…
* WHAT...Flooding caused from excessive rainfall is expected.
* WHERE...Portions of north central and northeast Illinois, including the following counties, in north central Illinois, De Kalb. In northeast Illinois, DuPage, Kane, Kendall and Will.
* WHEN...Until 800 AM CDT Friday.
* IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded.
* ADDITIONAL DETAILS... - At 159 AM CDT, Emergency management and public reports of flooding from heavy rainfall due to thunderstorms. Flooding is ongoing in the warned area. Between 2 and 4 inches of rain have fallen. - Some locations that will experience flooding include... Aurora, Naperville, Wheaton, Downers Grove, Elmhurst, Lombard, Carol Stream, Addison, Glendale Heights, St. Charles, Oswego, Glen Ellyn, West Chicago, Batavia, Geneva, Franklin Park, Yorkville, Plano, Oak Brook and Sandwich. - http://www.weather.gov/safety/flood
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 10, 1:21 AM UTC
NWS / NOAA weather: Flash Flood Warning issued July 3 at 2:10AM CDT until July 3 at 2:15AM CDT by NWS Chicago IL
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"sent": "2026-07-02T23:17:00-05:00"
"sent": "2026-07-03T02:10:00-05:00",
"effective": "2026-07-03T02:10:00-05:00",
"onset": "2026-07-03T02:10:00-05:00",
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- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 9:18 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 3:10AM EDT until July 4 at 9:00PM EDT by NWS Upton NY
* WHAT...Dangerously hot conditions with heat index values 105 to 110.* WHERE...In New York, Nassau and Suffolk Counties. In Connecticut, New London and Southern Middlesex Counties.* WHEN...Until 9 PM EDT Saturday.* IMPACTS...Extreme heat and…
* WHAT...Dangerously hot conditions with heat index values 105 to 110.
* WHERE...In New York, Nassau and Suffolk Counties. In Connecticut, New London and Southern Middlesex Counties.
* WHEN...Until 9 PM EDT Saturday.
* IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 9, 9:27 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 3:10AM EDT until July 4 at 8:00PM EDT by NWS Boston/Norton MA
* WHAT...Dangerously hot conditions with heat index values of 100 to 110 degrees expected today! Heat indices of 95-100+ degrees are expected on Independence Day.* WHERE...Portions of northern Connecticut, majority of Massachusetts, and Rhode Island.…
* WHAT...Dangerously hot conditions with heat index values of 100 to 110 degrees expected today! Heat indices of 95-100+ degrees are expected on Independence Day.
* WHERE...Portions of northern Connecticut, majority of Massachusetts, and Rhode Island.
* WHEN...Until 8 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...This is a prolonged and dangerous heatwave with little relief at night.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 9, 9:54 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 2:52AM EDT until July 3 at 8:00PM EDT by NWS Northern Indiana
* WHAT...Dangerously hot conditions with heat index values of 100 to 104.* WHERE...Portions of northern Indiana and northwest Ohio.* WHEN...Until 8 PM EDT this evening.* IMPACTS...Heat related illnesses increase significantly during extreme heat and…
* WHAT...Dangerously hot conditions with heat index values of 100 to 104.
* WHERE...Portions of northern Indiana and northwest Ohio.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 11, 3:46 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 1:53AM CDT until July 4 at 8:00PM CDT by NWS Topeka KS
* WHAT...Dangerously hot conditions with heat index values up to 105.* WHERE...Anderson, Coffey, Douglas, Franklin, Osage, Shawnee, and Jefferson Counties.* WHEN...Until 8 PM CDT Saturday.* IMPACTS...Heat related illnesses increase significantly…
* WHAT...Dangerously hot conditions with heat index values up to 105.
* WHERE...Anderson, Coffey, Douglas, Franklin, Osage, Shawnee, and Jefferson Counties.
* WHEN...Until 8 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:28 PM UTC
NWS / NOAA weather: Red Flag Warning issued July 3 at 12:55AM MDT until July 3 at 7:00PM MDT by NWS Denver CO
* AFFECTED AREA...Fire Weather Zone 214.* TIMING...From noon today to 7 PM MDT this evening.* WINDS...Southwest 10 to 15 mph with gusts up to 25 mph.* RELATIVE HUMIDITY...As low as 6 percent.* IMPACTS...Conditions will be favorable for rapid fire…
* AFFECTED AREA...Fire Weather Zone 214.
* TIMING...From noon today to 7 PM MDT this evening.
* WINDS...Southwest 10 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 6 percent.
* IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:01 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 2:56AM EDT until July 3 at 8:00PM EDT by NWS State College PA
* WHAT...Dangerously hot conditions with heat index values up to 110.* WHERE...Bedford and Blair Counties.* WHEN...Until 8 PM EDT this evening.* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 6:48 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 2:56AM EDT until July 4 at 8:00PM EDT by NWS State College PA
* WHAT...Dangerously hot conditions with heat index values up to 110 expected.* WHERE...Adams, Dauphin, Lancaster, Lebanon, and York Counties.* WHEN...Until 8 PM EDT Saturday.* IMPACTS...Heat related illnesses increase significantly during extreme…
* WHAT...Dangerously hot conditions with heat index values up to 110 expected.
* WHERE...Adams, Dauphin, Lancaster, Lebanon, and York Counties.
* WHEN...Until 8 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- Central, Lebanon
- Updated
- Aug 9, 7:46 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 2:30AM EDT until July 3 at 7:00PM EDT by NWS Burlington VT
* WHAT...Dangerously hot conditions with heat index values up to 100.* WHERE...In New York, Eastern Clinton and Eastern Essex Counties. In Vermont, Western Addison, Grand Isle, Western Chittenden, Western Franklin, Eastern Windsor, and Western…
* WHAT...Dangerously hot conditions with heat index values up to 100.
* WHERE...In New York, Eastern Clinton and Eastern Essex Counties. In Vermont, Western Addison, Grand Isle, Western Chittenden, Western Franklin, Eastern Windsor, and Western Rutland Counties.
* WHEN...Until 7 PM EDT this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...The highest heat index values will occur between 1 PM and 5 PM today. This is the third consecutive day of unusually hot conditions. As such, impacts will remain higher despite the slightly lower temperatures and heat index values.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:26 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 2:34AM EDT until July 3 at 8:00PM EDT by NWS Cleveland OH
* WHAT...Dangerously hot conditions with heat index values up to 107 expected.* WHERE...Portions of north central, northeast, and northwest Ohio.* WHEN...Until 8 PM EDT this evening.* IMPACTS...Heat related illnesses increase significantly…
* WHAT...Dangerously hot conditions with heat index values up to 107 expected.
* WHERE...Portions of north central, northeast, and northwest Ohio.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. A prolonged period of dangerously hot and humid conditions with little overnight relief will increase impacts to vulnerable populations.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 9, 6:11 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 1:57AM EDT until July 4 at 8:00PM EDT by NWS Wakefield VA
* WHAT...Dangerously hot conditions with heat index values 110 or greater expected.* WHERE...Portions of central, east central, eastern, north central, south central, and southeast Virginia.* WHEN...Until 8 PM EDT Saturday.* IMPACTS...Heat related…
* WHAT...Dangerously hot conditions with heat index values 110 or greater expected.
* WHERE...Portions of central, east central, eastern, north central, south central, and southeast Virginia.
* WHEN...Until 8 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:27 PM UTC
NWS / NOAA weather: Flash Flood Warning issued July 3 at 1:00AM CDT until July 3 at 4:00AM CDT by NWS Sioux Falls SD
The National Weather Service in Sioux Falls has issued a* Flash Flood Warning for... Northern Dixon County in northeastern Nebraska... Southeastern Bon Homme County in southeastern South Dakota... Southern Clay County in southeastern South Dakota...…
The National Weather Service in Sioux Falls has issued a
* Flash Flood Warning for... Northern Dixon County in northeastern Nebraska... Southeastern Bon Homme County in southeastern South Dakota... Southern Clay County in southeastern South Dakota... Southwestern Union County in southeastern South Dakota... Southern Yankton County in southeastern South Dakota...
* Until 400 AM CDT.
* At 100 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of especially urban areas, along with small creeks and streams, highways, streets and underpasses, as well as other poor drainage and low- lying areas.
* Some locations that will experience flash flooding include... Yankton, Vermillion, Lewis And Clark State Recreation Area, Elk Point, Newcastle, Meckling and Maskell.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 11, 11:51 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 2:00AM EDT until July 3 at 8:00PM EDT by NWS Jackson KY
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to or exceeding 105 degrees. For the Heat Advisory, heat index values up to 102 degrees are expected.* WHERE...Portions of east central, south central, and…
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to or exceeding 105 degrees. For the Heat Advisory, heat index values up to 102 degrees are expected.
* WHERE...Portions of east central, south central, and southeast Kentucky.
* WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening. For the Heat Advisory, from 8 PM this evening to 9 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 11, 3:39 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 2:00AM EDT until July 4 at 9:00PM EDT by NWS Jackson KY
* WHAT...Dangerously hot conditions with heat index values near or exceeding 105 degrees. Additionally, low temperatures mainly in the 70s will provide only limited relief tonight.* WHERE...Portions of east central, northeast, and southeast Kentucky.…
* WHAT...Dangerously hot conditions with heat index values near or exceeding 105 degrees. Additionally, low temperatures mainly in the 70s will provide only limited relief tonight.
* WHERE...Portions of east central, northeast, and southeast Kentucky.
* WHEN...Until 9 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 11, 7:23 PM UTC
NWS / NOAA weather: Flash Flood Warning issued July 3 at 1:01AM CDT until July 3 at 7:00AM CDT by NWS Des Moines IA
The National Weather Service in Des Moines has issued a* Flash Flood Warning for... Southern Polk County in central Iowa...* Until 700 AM CDT.* At 101 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain…
The National Weather Service in Des Moines has issued a
* Flash Flood Warning for... Southern Polk County in central Iowa...
* Until 700 AM CDT.
* At 101 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly, especially in low lying areas.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include... Des Moines, West Des Moines, Ankeny, Urbandale, Johnston, Clive, Altoona, Norwalk, Pleasant Hill, Grimes, Windsor Heights, Carlisle, Bondurant, Saylorville, Mitchellville, Iowa State Fairgrounds, Iowa Events Center, Principal Park, Drake Stadium And Knapp Center and Adventureland Amusement Park.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:04 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 12:47AM CDT until July 3 at 8:00PM CDT by NWS Nashville TN
* WHAT...Dangerously hot conditions will continue through Independence Day with heat indices peaking in the 105 to 112 range. Overnight conditions will be very uncomfortable with lows in the 70s.* WHERE...Middle Tennessee.* WHEN...For the Extreme…
* WHAT...Dangerously hot conditions will continue through Independence Day with heat indices peaking in the 105 to 112 range. Overnight conditions will be very uncomfortable with lows in the 70s.
* WHERE...Middle Tennessee.
* WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 8 PM this evening to 8 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 3:15 AM UTC
NWS / NOAA weather: Flash Flood Warning issued July 3 at 12:49AM CDT until July 3 at 3:45AM CDT by NWS Omaha/Valley NE
The National Weather Service in Omaha/Valley has issued a* Flash Flood Warning for... Northeastern Cedar County in northeastern Nebraska...* Until 345 AM CDT.* At 1249 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the…
The National Weather Service in Omaha/Valley has issued a
* Flash Flood Warning for... Northeastern Cedar County in northeastern Nebraska...
* Until 345 AM CDT.
* At 1249 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include... Wynot, Obert, Brooky Bottom and Bow Valley.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 11, 11:41 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 1:54AM EDT until July 4 at 8:00PM EDT by NWS Raleigh NC
* WHAT...Dangerously hot conditions with heat index values up to 110 expected.* WHERE...A portion of central North Carolina, including the northern Piedmont and the northern Coastal Plain.* WHEN...From noon today to 8 PM EDT Saturday.*…
* WHAT...Dangerously hot conditions with heat index values up to 110 expected.
* WHERE...A portion of central North Carolina, including the northern Piedmont and the northern Coastal Plain.
* WHEN...From noon today to 8 PM EDT Saturday.
* IMPACTS...Heat-related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 11, 4:49 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 1:54AM EDT until July 3 at 8:00PM EDT by NWS Binghamton NY
* WHAT...Dangerously hot conditions with maximum heat index values from 95 to 105 this afternoon. Temperatures will stay very warm at night, limiting the ability for cooling of non air-conditioned areas.* WHERE...Portions of central New York and…
* WHAT...Dangerously hot conditions with maximum heat index values from 95 to 105 this afternoon. Temperatures will stay very warm at night, limiting the ability for cooling of non air-conditioned areas.
* WHERE...Portions of central New York and northeast Pennsylvania.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 8, 5:05 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 1:34AM EDT until July 4 at 8:00PM EDT by NWS Charleston WV
* WHAT...Dangerously hot conditions with heat index values up to 106.* WHERE...Portions of northeast Kentucky, southeast Ohio, and central, northern, southern, and western West Virginia.* WHEN...Until 8 PM EDT Saturday.* IMPACTS...Heat related…
* WHAT...Dangerously hot conditions with heat index values up to 106.
* WHERE...Portions of northeast Kentucky, southeast Ohio, and central, northern, southern, and western West Virginia.
* WHEN...Until 8 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:04 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 1:38AM EDT until July 4 at 8:00PM EDT by NWS Pittsburgh PA
* WHAT...Dangerously hot conditions with heat index values up to 110 expected, with limited relief overnight.* WHERE...Portions of east central Ohio, southwest Pennsylvania, and northern West Virginia.* WHEN...Until 8 PM EDT Saturday.*…
* WHAT...Dangerously hot conditions with heat index values up to 110 expected, with limited relief overnight.
* WHERE...Portions of east central Ohio, southwest Pennsylvania, and northern West Virginia.
* WHEN...Until 8 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 8, 1:49 AM UTC
NWS / NOAA weather: Red Flag Warning issued July 2 at 11:38PM MDT until July 3 at 12:00AM MDT by NWS Pueblo CO
* AFFECTED AREA...Fire Weather Zones 220, 221, 222, 223, 224, 225, 226, 227, 228, 229 and 230.* WINDS...West 10 to 20 mph with gusts up to 35 mph.* RELATIVE HUMIDITY...As low as 4 percent.* IMPACTS...Fires will catch and spread quickly.…
* AFFECTED AREA...Fire Weather Zones 220, 221, 222, 223, 224, 225, 226, 227, 228, 229 and 230.
* WINDS...West 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 4 percent.
* IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:25 PM UTC
NWS / NOAA weather: Red Flag Warning issued July 2 at 11:38PM MDT until July 4 at 12:00AM MDT by NWS Pueblo CO
* AFFECTED AREA...Fire Weather Zones 220, 221, 222, 223, 224, 225, 226, 227, 228, 229 and 230.* WINDS...West 10 to 20 mph with gusts up to 35 mph.* RELATIVE HUMIDITY...As low as 4 percent.* IMPACTS...Fires will catch and spread quickly.…
* AFFECTED AREA...Fire Weather Zones 220, 221, 222, 223, 224, 225, 226, 227, 228, 229 and 230.
* WINDS...West 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 4 percent.
* IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:00 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 1:38AM EDT until July 3 at 10:00PM EDT by NWS Pittsburgh PA
* WHAT...Dangerously hot conditions with heat index values up to 110 expected, with limited relief overnight.* WHERE...Portions of east central Ohio, northwest Pennsylvania, and northern West Virginia.* WHEN...Until 10 PM EDT this evening.* IMPACTS..…
* WHAT...Dangerously hot conditions with heat index values up to 110 expected, with limited relief overnight.
* WHERE...Portions of east central Ohio, northwest Pennsylvania, and northern West Virginia.
* WHEN...Until 10 PM EDT this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 7:45 AM UTC
NWS / NOAA weather: Flood Warning issued July 3 at 12:27AM CDT until July 3 at 8:23PM CDT by NWS Des Moines IA
...The National Weather Service in Des Moines IA has issued a Flood Warning for the following rivers in Iowa...Fourmile Creek at Des Moines Easton Blvd affecting Polk County.* WHAT...Moderate flooding is forecast.* WHERE...The Fourmile Creek at Des…
...The National Weather Service in Des Moines IA has issued a Flood Warning for the following rivers in Iowa...
Fourmile Creek at Des Moines Easton Blvd affecting Polk County.
* WHAT...Moderate flooding is forecast.
* WHERE...The Fourmile Creek at Des Moines Easton Blvd, or from below Interstate 80 to the Des Moines River.
* WHEN...From early this morning to this evening.
* IMPACTS...At 16.0 feet, Water affects businesses and apartments east of E 33rd St near E Douglas Ave...E Euclid Ave and Hubbell Ave.
* ADDITIONAL DETAILS... - At 12:15 AM CDT Friday the stage was 3.8 feet. - Forecast...The river is expected to rise above flood stage early this morning to a crest of 15.5 feet late this morning. It will then fall below flood stage this afternoon. - Flood stage is 12.5 feet.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 7, 6:13 AM UTC
NWS / NOAA weather: Flash Flood Warning issued July 3 at 12:30AM CDT until July 3 at 5:15AM CDT by NWS Des Moines IA
At 1230 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 3 and 6 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area.…
At 1230 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 3 and 6 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding.
SOURCE...Radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include... Ankeny, Johnston, Newton, Bondurant, Polk City, Colfax, Granger, Baxter, Iowa Speedway, Saylorville Lake, Big Creek Lake, Elkhart, Alleman, Sheldahl, Mingo, Lambs Grove, Valeria, Newton Municipal Airport and Big Creek State Park.
Expect significant flash flooding in the Fourmile Creek Basin.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:26 PM UTC
NWS / NOAA weather: Flash Flood Warning issued July 3 at 12:11AM CDT until July 3 at 3:15AM CDT by NWS Omaha/Valley NE
The National Weather Service in Omaha/Valley has issued a* Flash Flood Warning for... Northwestern Cedar County in northeastern Nebraska... Northeastern Knox County in northeastern Nebraska...* Until 315 AM CDT.* At 1211 AM CDT, Doppler radar…
The National Weather Service in Omaha/Valley has issued a
* Flash Flood Warning for... Northwestern Cedar County in northeastern Nebraska... Northeastern Knox County in northeastern Nebraska...
* Until 315 AM CDT.
* At 1211 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include... Crofton, Santee, St. Helena, Weigand Marina, Lewis And Clark State Recreation Area, Lindy, Gavins Point Dam And Campgrounds, Santee Reservation, Menominee and St. Helena Boat Dock.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 9, 1:30 PM UTC
NWS / NOAA weather: Flash Flood Warning issued July 3 at 12:16AM CDT until July 3 at 3:15AM CDT by NWS Chicago IL
The National Weather Service in Chicago has issued a* Flash Flood Warning for... Southeastern De Kalb County in north central Illinois... Southern Kane County in northeastern Illinois...…
The National Weather Service in Chicago has issued a
* Flash Flood Warning for... Southeastern De Kalb County in north central Illinois... Southern Kane County in northeastern Illinois... Northwestern Kendall County in northeastern Illinois...
* Until 315 AM CDT.
* At 1216 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding.
SOURCE...Radar.
IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas.
* Some locations that will experience flash flooding include... Aurora, St. Charles, Batavia, Geneva, Plano, Sandwich, North Aurora, Sugar Grove, Elburn, Hinckley, Somonauk, Waterman, Big Rock, Kaneville and Little Rock.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 9, 4:13 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 1:18AM EDT until July 3 at 9:00PM EDT by NWS Baltimore MD/Washington DC
* WHAT...Dangerously hot conditions each afternoon with heat index values between 110 to 113 expected.* WHERE...Washington DC, and portions of central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest…
* WHAT...Dangerously hot conditions each afternoon with heat index values between 110 to 113 expected.
* WHERE...Washington DC, and portions of central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia.
* WHEN...For the first Extreme Heat Warning, from 10 AM this morning to 9 PM EDT this evening. For the second Extreme Heat Warning, from 10 AM to 9 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 11, 1:58 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 1:18AM EDT until July 4 at 9:00PM EDT by NWS Baltimore MD/Washington DC
* WHAT...Dangerously hot conditions each afternoon with heat index values between 110 to 113 expected.* WHERE...Washington DC, and portions of central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest…
* WHAT...Dangerously hot conditions each afternoon with heat index values between 110 to 113 expected.
* WHERE...Washington DC, and portions of central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia.
* WHEN...For the first Extreme Heat Warning, from 10 AM this morning to 9 PM EDT this evening. For the second Extreme Heat Warning, from 10 AM to 9 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:02 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 1:18AM EDT until July 3 at 8:00PM EDT by NWS Baltimore MD/Washington DC
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 107 expected. For the Heat Advisory, heat index values up to 105 expected.* WHERE...Portions of north central Maryland, northwest Virginia, and eastern…
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 107 expected. For the Heat Advisory, heat index values up to 105 expected.
* WHERE...Portions of north central Maryland, northwest Virginia, and eastern and panhandle West Virginia.
* WHEN...For the Extreme Heat Warning, from 10 AM this morning to 8 PM EDT this evening. For the Heat Advisory, from 10 AM to 8 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 3:15 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 1:19AM EDT until July 3 at 8:00PM EDT by NWS Albany NY
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values reaching 105 to 110. For the Heat Advisory, heat index values up to 99 expected.* WHERE...In Connecticut, Southern Litchfield County.…
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values reaching 105 to 110. For the Heat Advisory, heat index values up to 99 expected.
* WHERE...In Connecticut, Southern Litchfield County. In New York, Dutchess, Eastern Greene, Eastern Ulster, and Western Columbia Counties.
* WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening. For the Heat Advisory, from 11 AM to 7 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 10, 4:28 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 12:04AM CDT until July 3 at 7:00PM CDT by NWS Chicago IL
* WHAT...Dangerously hot conditions with heat index values up to 105 degrees in the afternoon.* WHERE...In Illinois, Livingston, Ford, Iroquois, and Kankakee Counties.…
* WHAT...Dangerously hot conditions with heat index values up to 105 degrees in the afternoon.
* WHERE...In Illinois, Livingston, Ford, Iroquois, and Kankakee Counties. In Indiana, Benton, Jasper, and Newton Counties.
* WHEN...Until 7 PM CDT /8 PM EDT/ this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 10, 7:34 AM UTC
DVIDS (CENTCOM / DoD): Coast Guard continues search efforts overnight for missing 11-year-old boater in Lake Erie
Coast Guard Sector Detroit personnel are continuing active overnight search efforts for a missing 11-year-old boater near Western Lake Erie Thursday.
- Sources
- Primary source
- Severity
- Minor (1/5)
- Updated
- Aug 12, 4:25 AM UTC
NWS / NOAA weather: Flash Flood Warning issued July 2 at 11:39PM CDT until July 3 at 5:30AM CDT by NWS North Platte NE
The National Weather Service in North Platte has issued a* Flash Flood Warning for... Southeastern Boyd County in north central Nebraska... Northeastern Holt County in north central Nebraska...* Until 530 AM CDT.* At 1139 PM CDT, Doppler radar and…
The National Weather Service in North Platte has issued a
* Flash Flood Warning for... Southeastern Boyd County in north central Nebraska... Northeastern Holt County in north central Nebraska...
* Until 530 AM CDT.
* At 1139 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 2 and 2.5 inches of rain have fallen. Additional rainfall amounts of 1 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include... Spencer, Lynch, Bristow, Scottville, Redbird State Wildlife Management Area, Midway, Spencer Dam and Dorsey.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 11, 2:36 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 2 at 11:44PM CDT until July 3 at 7:00PM CDT by NWS Lincoln IL
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 105. For the Heat Advisory, heat index values up to 100 expected.* WHERE...Portions of central, east central, southeast, and west central Illinois.* WHEN..…
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 105. For the Heat Advisory, heat index values up to 100 expected.
* WHERE...Portions of central, east central, southeast, and west central Illinois.
* WHEN...For the Extreme Heat Warning, until 7 PM CDT Friday. For the Heat Advisory, from 11 AM to 7 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 3:41 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 12:30AM EDT until July 3 at 8:00PM EDT by NWS Indianapolis IN
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110. For the Heat Advisory, heat index values up to 105 expected.* WHERE...All of central Indiana* WHEN...For the Extreme Heat Warning, until 8 PM EDT…
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110. For the Heat Advisory, heat index values up to 105 expected.
* WHERE...All of central Indiana
* WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening. For the Heat Advisory, from 8 PM this evening to 9 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
* ADDITIONAL DETAILS...Thunderstorm activity on Saturday may bring an earlier end to the Heat Advisory in some locations.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 3:15 AM UTC
NWS / NOAA weather: Flash Flood Warning issued July 2 at 11:17PM CDT until July 3 at 2:15AM CDT by NWS Chicago IL
The National Weather Service in Chicago has issued a* Flash Flood Warning for... Central DuPage County in northeastern Illinois... Southeastern Kane County in northeastern Illinois...…
The National Weather Service in Chicago has issued a
* Flash Flood Warning for... Central DuPage County in northeastern Illinois... Southeastern Kane County in northeastern Illinois... Northeastern Kendall County in northeastern Illinois...
* Until 215 AM CDT.
* At 1117 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding.
SOURCE...Radar and automated gauges.
IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas.
* Some locations that will experience flash flooding include... Aurora, Naperville, Wheaton, Downers Grove, Elmhurst, Lombard, Carol Stream, Addison, Glendale Heights, Woodridge, Oswego, Glen Ellyn, West Chicago, Batavia, Yorkville, Hinsdale, Plano, Oak Brook, Westmont and Lisle.
This includes the following streams and drainages... Tributaries on DuPage and Fox Rivers.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 7:14 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 12:12AM EDT until July 3 at 8:00PM EDT by NWS Gray ME
* WHAT...Dangerously hot conditions with heat index values up to 110.* WHERE...Portions of southwest and western Maine and central, northern, and southern New Hampshire.* WHEN...Until 8 PM EDT this evening.* IMPACTS...Heat related illnesses increase…
* WHAT...Dangerously hot conditions with heat index values up to 110.
* WHERE...Portions of southwest and western Maine and central, northern, and southern New Hampshire.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s, resulting in accumulated heat stress.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 6, 3:04 PM UTC
NWS / NOAA weather: Flash Flood Warning issued July 2 at 11:16PM CDT until July 3 at 5:15AM CDT by NWS Des Moines IA
The National Weather Service in Des Moines has issued a* Flash Flood Warning for... Northwestern Jasper County in central Iowa... Northern Polk County in central Iowa...* Until 515 AM CDT.* At 1116 PM CDT, Doppler radar and automated rain gauges…
The National Weather Service in Des Moines has issued a
* Flash Flood Warning for... Northwestern Jasper County in central Iowa... Northern Polk County in central Iowa...
* Until 515 AM CDT.
* At 1116 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Rainfall varies greatly over northern Polk County into northern Jasper County. Many areas in Jasper County have received 2 inches or less of rain while parts of northern Polk County have received in excess of 5 inches. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include... Ankeny, Johnston, Newton, Bondurant, Polk City, Colfax, Granger, Baxter, Iowa Speedway, Saylorville Lake, Big Creek Lake, Elkhart, Alleman, Sheldahl, Mingo, Lambs Grove, Valeria, Newton Municipal Airport and Big Creek State Park.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 7, 1:40 AM UTC
NWS / NOAA weather: Flash Flood Warning issued July 2 at 10:55PM CDT until July 3 at 5:00AM CDT by NWS North Platte NE
The National Weather Service in North Platte has issued a* Flash Flood Warning for... Southeastern Chase County in southwestern Nebraska... Southern Hayes County in southwestern Nebraska...* Until 500 AM CDT /400 AM MDT/ Friday.* At 1055 PM CDT /955…
The National Weather Service in North Platte has issued a
* Flash Flood Warning for... Southeastern Chase County in southwestern Nebraska... Southern Hayes County in southwestern Nebraska...
* Until 500 AM CDT /400 AM MDT/ Friday.
* At 1055 PM CDT /955 PM MDT/, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Additional rainfall amounts of 1 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include... Wauneta, Enders, Enders Reservoir State Recreation Area, Hamlet, Area A Campground, Center Dam Campground and Church Grove Campground.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 9, 6:19 AM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 3 at 12:02AM EDT until July 3 at 8:00PM EDT by NWS Wilmington OH
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 105. For the Heat Advisory, heat index values up to 100 are expected.* WHERE...Portions of east central and southeast Indiana, northeast and northern…
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 105. For the Heat Advisory, heat index values up to 100 are expected.
* WHERE...Portions of east central and southeast Indiana, northeast and northern Kentucky, and central, south central, southwest, and west central Ohio.
* WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening. For the Heat Advisory, from 8 PM this evening to 8 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events, particularly for those working or participating in outdoor activities. Hot temperatures and high humidity may cause heat illnesses.
* ADDITIONAL DETAILS...Remember, multiple days with excessive heat can have compounding effects.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 12, 6:55 PM UTC
NWS / NOAA weather: Extreme Heat Warning issued July 2 at 10:10PM CDT until July 3 at 10:00PM CDT by NWS Des Moines IA
* WHAT...Dangerously hot conditions with heat index values up to 100.* WHERE...Appanoose, Decatur, Lucas, Monroe, Ringgold, Wayne, Davis, Wapello, and Taylor Counties.* WHEN...Until 10 PM CDT Friday.* IMPACTS...Heat related illnesses increase…
* WHAT...Dangerously hot conditions with heat index values up to 100.
* WHERE...Appanoose, Decatur, Lucas, Monroe, Ringgold, Wayne, Davis, Wapello, and Taylor Counties.
* WHEN...Until 10 PM CDT Friday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
- Sources
- Primary source
- Severity
- Severe (4/5)
- Location
- North America
- Updated
- Aug 9, 10:39 PM UTC
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