Michigan Severe Extreme Heat Warning | Effective 07/01/2026 10:45

Headline: 
Extreme Heat Warning issued July 1 at 1:45PM EDT until July 2 at 8:00PM EDT by NWS Grand Rapids MI
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 1, 2026 - 10:45am
Expires: 
July 2, 2026 - 12:45am
Description: 
* 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...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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
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