Extreme Heat Warning
Status
Event Continued Active alertStart Time
Tue 06/30/2026 01:40 AM EDTEnd Time
Thu 07/02/2026 08:00 PM EDTSignificance
WarningImpacts
High impact
Locations Affected
Grand Rapids, MI ∙ Lansing, MI ∙ Wyoming, MI ∙ Kalamazoo, MI ∙ Battle Creek, MI ∙ Rodney, MI ∙ Beal City, MI ∙ Eureka, MI ∙ Caledonia, MI ∙ Sunfield, MIFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Grand Rapids MI 140 AM EDT Tue Jun 30 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THURSDAY... * 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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.
Technical Header
MIZ037>040-043>046-050>052-056>059-064>067-071>074-302100- /O.CON.KGRR.XH.W.0001.000000T0000Z-260703T0000Z/ Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- Including the cities of Alma, Battle Creek, Hart, Reed City, St. Johns, Kalamazoo, Baldwin, South Haven, Muskegon, Clare, Hastings, Fremont, Ludington, Lansing, Charlotte, Grand Rapids, Big Rapids, Mount Pleasant, Ionia, Jackson, Greenville, Grand Haven, Holland, and Jenison 140 AM EDT Tue Jun 30 2026