410  
WWUS73 KGRR 230218  
NPWGRR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
1018 PM EDT SUN JUN 22 2025  
 
MIZ037>040-043>046-050>052-056>059-064>067-071>074-231030-  
/O.CON.KGRR.HT.Y.0001.000000T0000Z-250624T0000Z/  
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 BALDWIN, LUDINGTON, MOUNT PLEASANT,  
LANSING, GRAND RAPIDS, GREENVILLE, ALMA, JENISON, ST. JOHNS,  
MUSKEGON, REED CITY, KALAMAZOO, BATTLE CREEK, CLARE, GRAND HAVEN,  
IONIA, JACKSON, HASTINGS, FREMONT, CHARLOTTE, HART, HOLLAND, BIG  
RAPIDS, AND SOUTH HAVEN  
1018 PM EDT SUN JUN 22 2025  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY
 
 
* WHAT...HEAT INDEX VALUES UP TO 102.  
 
* WHERE...PORTIONS OF CENTRAL, SOUTH CENTRAL, SOUTHWEST, AND WEST  
CENTRAL MICHIGAN.  
 
* WHEN...UNTIL 8 PM EDT MONDAY.  
 
* 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.  
 

 
 

 
 
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