URGENT - WEATHER MESSAGE
National Weather Service Grand Rapids MI
231 AM EDT Sun Jun 28 2026
MIZ037>040-043>046-050>052-056>059-064>067-071>074-290015-
/O.NEW.KGRR.XH.A.0001.260629T1800Z-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 Fremont, Grand Rapids, Grand Haven,
Charlotte, Muskegon, Lansing, Mount Pleasant, Greenville, Reed
City, St. Johns, South Haven, Baldwin, Ludington, Holland,
Kalamazoo, Jenison, Alma, Hart, Battle Creek, Ionia, Clare, Big
Rapids, Hastings, and Jackson
231 AM EDT Sun Jun 28 2026
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
THURSDAY EVENING...
WHAT...Dangerously hot and humid conditions expected Monday
through Thursday.WHERE...Portions of central, south central, southwest, and west
central Michigan.WHEN...From Monday afternoon through Thursday evening.
IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.ADDITIONAL DETAILS...Heat and humidity will begin building in
Monday...with Tuesday through Thursday expected to be the hottestdays this week. This multi-day stretch of heat and humidity will
bring high temperatures at least in the mid 90s with overnight
lows in the mid to upper 70s. Dangerously hot conditions with heat
index values over 100 are expected with values over 110 possible...
especially Tuesday through Thursday. Hot and humid nights will
bring little to no relief from daytime heat and humidity this week.
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.
Farmers should take action now to protect vulnerable populations of
livestock, poultry and equines.