Michigan Severe Extreme Heat Warning | Effective 06/29/2026 19:14

Headline: 
Extreme Heat Warning issued June 29 at 10:14PM EDT until July 2 at 8:00PM EDT by NWS Grand Rapids MI
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
June 29, 2026 - 7:14pm
Expires: 
June 30, 2026 - 3:15am
Description: 
* WHAT...Dangerously hot conditions with daily heat index values around 105 degrees expected. * WHERE...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. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
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