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Extreme Heat Warning

Status

Event Continued Active alert

Start Time

Tue 06/30/2026 01:40 AM EDT

End Time

Thu 07/02/2026 08:00 PM EDT

Significance

Warning

Impacts

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, MI

Full 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