# HEADLINE
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EXTREME HEAT WARNING REMAINS IN EFFECT FROM 2 PM MONDAY TO 8 PM EDT THURSDAY
# DETAILS
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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.
ISSUED AT
Sunday, June 28, 2026 at 11:42 PM EDT
ISSUED BY
National Weather Service Grand Rapids MI
HEADER
URGENT - WEATHER MESSAGE
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
# AREAS AFFECTED
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Ingham, Montcalm, Allegan, Barry, Calhoun, Clare, Clinton, Eaton, Gratiot, Ionia, Isabella, Jackson, Kalamazoo, Kent, Lake, Mason, Mecosta, Muskegon, Newaygo, Oceana, Osceola, Ottawa, Van Buren
Including the cities of Hart, Kalamazoo, Ionia, Alma, Big Rapids, Charlotte, Baldwin, Clare, Grand Rapids, Fremont, Jackson, Jenison, Reed City, Lansing, Greenville, St. Johns, Grand Haven, Ludington, Mount Pleasant, Hastings, South Haven, Battle Creek, Holland, and Muskegon