Michigan Severe Extreme Heat Warning | Effective 06/28/2026 10:26

Headline: 
Extreme Heat Warning issued June 28 at 1:26PM EDT until July 2 at 8:00PM EDT by NWS Grand Rapids MI
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
June 28, 2026 - 10:26am
Expires: 
June 28, 2026 - 6:30pm
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 105 expected. * WHERE...Portions of central, south central, southwest, and west central Michigan. * WHEN...From 2 PM Monday to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Area Description: 
Mason; Lake; Osceola; Clare; Oceana; Newaygo; Mecosta; Isabella; Muskegon; Montcalm; Gratiot; Ottawa; Kent; Ionia; Clinton; Allegan; Barry; Eaton; Ingham; Van Buren; Kalamazoo; Calhoun; Jackson
Forcast Office: 
NWS Grand Rapids MI