544  
FNUS73 KGRR 241024  
FWSGRR  
 
SPOT FORECAST FOR LANSING PREVENTION EVENT...MIDNR  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
624 AM EDT WED JUN 24 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1000 EDT ON JUNE 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (616) 949-5150, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
SOUTHERLY WINDS OUT AHEAD OF A WARM FRONT WILL GIVE WAY TO SCATTERED  
SHOWERS MOVING IN FROM THE WEST THIS AFTERNOON WITH THE BEST CHANCE  
FOR ISOLATED STORMS BETWEEN 6 PM AND MIDNIGHT TONIGHT. EXPECT BETWEEN A  
QUARTER INCH AND A HALF INCH OF PRECIPITATION BY TOMORROW MORNING.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF  
SHOWERS EARLY IN THE AFTERNOON. SHOWERS LIKELY  
AND SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE  
AFTERNOON, THEN SHOWERS AND CHANCE OF  
THUNDERSTORMS LATE IN THE AFTERNOON.  
TEMPERATURE.........68 AT FORECAST START...MAX 76.  
RH..................61 PERCENT AT FORECAST START...MIN 48 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST WINDS 6 TO 8 MPH BECOMING 7 TO 8 MPH  
LATE IN THE AFTERNOON.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SHOWERS IN THE  
EVENING. CHANCE OF THUNDERSTORMS THROUGH THE  
NIGHT. SHOWERS LIKELY OVERNIGHT.  
TEMPERATURE.........MIN 59.  
RH..................MAX 100 PERCENT.  
SURFACE WINDS (MPH).SOUTH WINDS 5 TO 7 MPH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING  
MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SHOWERS  
LATE IN THE MORNING. CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE IN THE AFTERNOON.  
TEMPERATURE.........MAX 77.  
RH..................MIN 55 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST WINDS 5 TO 8 MPH WITH GUSTS TO AROUND  
20 MPH SHIFTING TO THE WEST 9 TO 12 MPH WITH  
GUSTS TO AROUND 24 MPH IN THE AFTERNOON.  
 

 
FORECASTER...CERU  
REQUESTED BY...JEFF VASHER  
TYPE OF REQUEST...OTHER  
.TAG 2616055.0/GRR  
.DELDT 06/24/26  
.FORMATTERVERSION 2.0.0  
.EMAIL VASHERJ@MICHIGAN.GOV  
 
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