006  
FNUS73 KGRR 161400  
FWSGRR  
 
SPOT FORECAST FOR OPERATION HASTY...CIVIL AIR PATROL MICHIGAN WING  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
1000 AM EDT TUE SEP 16 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1200 EDT ON SEPTEMBER 19.  
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
 
 
DRY WEATHER CONTINUES THROUGH FRIDAY NIGHT THEN THERE WILL BE A SIGHT  
CHANCE OF RAIN SATURDAY AS A COLD FRONT APPROACHES.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
TEMPERATURE.........74 AT FORECAST START...MAX 83.  
RH..................64 PERCENT AT FORECAST START...MIN 47 PERCENT.  
SURFACE WINDS (MPH).EAST WINDS 6 TO 8 MPH.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
TEMPERATURE.........MIN 56.  
RH..................MAX 83 PERCENT.  
SURFACE WINDS (MPH).EAST WINDS 7 TO 9 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS LATE IN THE AFTERNOON.  
CHANCE OF PCPN......20 PERCENT.  
TEMPERATURE.........MAX 81.  
RH..................MIN 47 PERCENT.  
SURFACE WINDS (MPH).SOUTHEAST WINDS 7 TO 8 MPH INCREASING TO AROUND  
9 MPH IN THE AFTERNOON.  
 

 
FORECASTER...OSTUNO  
REQUESTED BY...2ND LT DONALD DEYOUNG  
TYPE OF REQUEST...SAR  
.TAG 2522027.0/GRR  
.DELDT 09/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DONALD.DEYOUNG@MIWG.CAP.GOV  
 
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