NWS / NOAA weather: Extreme Heat Warning issued June 30 at 9:44PM EDT until July 2 at 8:00PM EDT by NWS Grand Rapids MI

* WHAT...Dangerously hot conditions with heat index values up to
105.

* WHERE...Portions of central, south central, southwest, and
west central Michigan.

* WHEN...Until 8 PM EDT Thursday.

* IMPACTS...Extreme heat and humidity will significantly
increase the potential for heat related illnesses,
particularly for those working or participating in outdoor
activities.

Source: NWS / NOAA weather.