885  
FLUS43 KGRR 181954  
HWOGRR  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
453 PM EDT FRI JUL 18 2025  
 
MIZ037>040-043>046-050>052-056>059-064>067-071>074-190845-  
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-  
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-  
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-  
453 PM EDT FRI JUL 18 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER  
MICHIGAN.  
   
DAY ONE  
TODAY AND TONIGHT  
 
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.  
   
DAYS TWO THROUGH SEVEN  
SATURDAY THROUGH THURSDAY  
 
THUNDERSTORMS ARE EXPECTED ON SATURDAY. SOME THUNDERSTORMS MAY BE  
SEVERE. STRONG WINDS TO 50-60 MPH WILL BE THE MAIN THREAT. LOCALLY  
HEAVY RAINFALL IS EXPECTED AS WELL. TIME FOR THE STRONGEST STORMS  
WILL BE BETWEEN 100PM AND 800PM SOUTH OF A LINE FROM MUSKEGON TO MT.  
PLEASANT.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 
 
 
LMZ844>849-190845-  
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-  
HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI-  
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-  
453 PM EDT FRI JUL 18 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS FROM  
ST JOSEPH TO MANISTEE.  
   
DAY ONE  
TODAY AND TONIGHT  
 
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.  
   
DAYS TWO THROUGH SEVEN  
SATURDAY THROUGH THURSDAY  
 
THUNDERSTORMS ARE EXPECTED ON SATURDAY. SOME THUNDERSTORMS MAY BE  
SEVERE WITH WIND GUSTS IN EXCESS OF 40 KNOTS. MAIN TIME FRAME OF  
CONCERN ON LAKE MICHIGAN WILL BE BETWEEN 100PM AND 700PM SOUTH OF  
WHITEHALL.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 
 
 
DUKE  
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