698  
FNUS73 KGRR 290835  
FWSGRR  
 
SPOT FORECAST FOR BALDWIN FUELS 1...USFS  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
ISSUED BY NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
435 AM EDT THU MAY 29 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MAY 29.  
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  
A FEW SHOWERS ARE POSSIBLE TODAY AND AGAIN FRIDAY INTO  
FRIDAY NIGHT WITH AN ADDED CHANCE OF THUNDERSTORMS. COOLER DURING  
THE WEEKEND WITH A NOTABLE WARM UP MONDAY INTO MID-WEEK.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). ISOLATED RAIN  
SHOWERS THROUGH MID AFTERNOON. ISOLATED RAIN  
SHOWERS LATE IN THE DAY.  
TEMPERATURE.........57 AT IGNITION...MAX 70.  
RH..................86 PERCENT AT IGNITION...MIN 51 PERCENT.  
WIND (20 FT)........WINDS NORTHWEST AT 2 MPH AT  
IGNITION...OTHERWISE LIGHT WINDS BECOMING  
NORTHWEST 6 TO 7 MPH.  
MIXING HEIGHT.......1400 FT AGL AT IGNITION...OTHERWISE 4100 FT  
AGL.  
MIXING WINDS........NORTHWEST 7 TO 10 MPH.  
SMOKE DISPERSAL.....100 /POOR/ AT IGNITION. MAX...380 /GOOD/.  
 
TIME (EDT) 10 AM NOON 2 PM 4 PM 6 PM 8 PM  
SKY (%).........88 78 77 77 68 44  
WEATHER COV..... ISOLTD ISOLTD  
WEATHER TYPE....NONE NONE RNSHWR RNSHWR NONE NONE  
TSTM COV........  
TEMP............57 63 67 68 68 66  
RH..............86 70 59 54 52 54  
20 FT WIND......NW 2 NW 6 NW 7 NW 7 NW 6 NW 5  
20 FT WIND GUST.9 14 16 17 15 12  
MIX HGT (FT)....1400 2600 3400 4100 2900 1700  
MIXING WIND.....NW 7 N 8 N 10 NW 9 NW 9 W 9  
SMOKE DISPRSL...100 210 350 380 260 150  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).  
TEMPERATURE.........MIN 47.  
RH..................MAX 93 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......400 FT AGL.  
MIXING WINDS........WEST 6 TO 9 MPH.  
SMOKE DISPERSAL.....150 (FAIR) EARLY IN THE EVENING DECREASING TO  
30 (POOR) LATE IN THE NIGHT.  
   
FRIDAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SCATTERED RAIN  
SHOWERS IN THE AFTERNOON. ISOLATED  
THUNDERSTORMS LATE IN THE DAY.  
TEMPERATURE.........MAX 74.  
RH..................MIN 48 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 9 MPH WITH GUSTS  
TO AROUND 20 MPH, THEN SHIFTING TO THE  
NORTHWEST AROUND 8 MPH IN THE EVENING. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
LATE IN THE DAY.  
MIXING HEIGHT.......2800 FT AGL.  
MIXING WINDS........WEST 8 TO 15 MPH SHIFTING TO THE NORTHWEST 15  
TO 16 MPH LATE IN THE DAY.  
SMOKE DISPERSAL.....50 (POOR) EARLY IN THE MORNING INCREASING TO  
440 (GOOD) IN THE AFTERNOON.  
 
 
 
FORECASTER...TILLEY  
REQUESTED BY...AFMO CADMAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2514904.0/GRR  
.DELDT 05/29/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DEAN.CHAMBERS@USDA.GOV  
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