Flash Flood Warning issued October 31 at 11:45AM HST until October 31 at 2:45PM HST by NWS Honolulu HI

Level
Severe (4/5) · CAP Severe
Region
North America
Category
Weather
Source
NWS / NOAA weather

The National Weather Service in Honolulu has issued a

* Flash Flood Warning for...
The island of Kauai in Kauai County

* Until 245 PM HST.

* At 1145 AM HST, Doppler radar and automated rain gauges indicated
heavy rain falling over the eastern slopes of Mt. Waialeale with
additional heavy rain moving into the leeward side of the island.
Rain was falling at a rate of 1 to 3 inches per hour. A rapid rise
was also observed at the Hanalei River gage upstream of Hanalei
Town. Flash flooding is ongoing or expected to begin shortly,
especially near the Hanalei Bridge on the Kuhio Highway.

HAZARD...Flash flooding caused by heavy rain.

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...
The entire island of Kauai.

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.

This month
1601st Weather alert at severity 4+ in the last 30 days

Source: NWS / NOAA weather

Understanding Global Threats

Browse All Topics & Pages

Complete sitemap with all intelligence resources

View Sitemap →

Related Preparedness Gear

Be prepared for evolving situations

Global Conflict Map

Live snapshot of conflict locations and tension zones worldwide.

Last update on: October 30, 2026

Keep Exploring