077  
WWUS73 KGRR 232358  
NPWGRR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
758 PM EDT MON JUN 23 2025  
 
MIZ037>040-043>046-050>052-056>059-240100-  
/O.CAN.KGRR.HT.Y.0001.000000T0000Z-250624T0000Z/  
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-  
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-  
INCLUDING THE CITIES OF JENISON, IONIA, GREENVILLE, BALDWIN,  
HART, MUSKEGON, LUDINGTON, REED CITY, BIG RAPIDS, GRAND HAVEN,  
GRAND RAPIDS, ST. JOHNS, MOUNT PLEASANT, CLARE, ALMA, AND FREMONT  
758 PM EDT MON JUN 23 2025  
   
..HEAT ADVISORY IS CANCELLED
 
 
TEMPERATURES HAVE COOLED ENOUGH FOR TODAY, AND ARE NOT EXPECTED TO  
BE AS WARM ON TUESDAY.  
 

 
 
MIZ064>067-071>074-240900-  
/O.CON.KGRR.HT.Y.0001.000000T0000Z-250625T0000Z/  
ALLEGAN-BARRY-EATON-INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-  
INCLUDING THE CITIES OF SOUTH HAVEN, LANSING, BATTLE CREEK,  
KALAMAZOO, CHARLOTTE, HASTINGS, JACKSON, AND HOLLAND  
758 PM EDT MON JUN 23 2025  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT TUESDAY
 
 
* WHAT...HEAT INDEX VALUES UP TO AROUND 100.  
 
* WHERE...CALHOUN, EATON, INGHAM, JACKSON, ALLEGAN, BARRY,  
KALAMAZOO, AND VAN BUREN COUNTIES.  
 
* WHEN...UNTIL 8 PM EDT TUESDAY.  
 
* 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.  
 

 
 

 
 
NJJ  
 
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