Heat Advisory
Status
Event Continued Active alertStart Time
Sat 06/21/2025 12:00 PM EDTEnd Time
Sun 06/22/2025 08:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Grand Rapids, MI ∙ Lansing, MI ∙ Wyoming, MI ∙ Kalamazoo, MI ∙ Battle Creek, MI ∙ Paw Paw, MI ∙ Galesburg, MI ∙ Olivet, MI ∙ Clarklake, MI ∙ Muskegon County Airport, MIFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Grand Rapids MI 1035 PM EDT Fri Jun 20 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 8 PM EDT SUNDAY... * WHAT...Heat index values of 100 to 105 expected Saturday afternoon and Sunday afternoon, with low temperatures only falling into the mid to upper 70s Saturday night. * WHERE...Central, south central, southwest, and west central Michigan. * WHEN...From noon Saturday to 8 PM EDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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.
Technical Header
MIZ037>040-043>046-050>052-056>059-064>067-071>074-211215- /O.CON.KGRR.HT.Y.0001.250621T1600Z-250623T0000Z/ 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 Muskegon, Ludington, Reed City, Lansing, Hastings, Baldwin, Jenison, Holland, Big Rapids, Greenville, Battle Creek, Clare, Ionia, Fremont, Jackson, Alma, Mount Pleasant, Grand Haven, Hart, Charlotte, Grand Rapids, South Haven, St. Johns, and Kalamazoo 1035 PM EDT Fri Jun 20 2025