433  
FNUS73 KFGF 291421  
FWSFGF  
 
SPOT FORECAST FOR PUTNAM PILES...USFWS  
NATIONAL WEATHER SERVICE GRAND FORKS ND  
821 AM CST WED JAN 29 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CST ON JANUARY 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CALL THE NWS IN GRAND FORKS AT 701-795-5127 FOR ADDITIONAL  
INFORMATION AND MONITOR OUR WEBSITE (WWW.WEATHER.GOV/FGF) OR NOAA  
ALL-HAZARDS RADIO FOR THE LATEST UPDATES.  
   
DISCUSSION
 
 
WESTERLY WINDS WILL SHIFT TO THE SOUTH THROUGHOUT THE DAY, BUT  
REMAINING BETWEEN 5 TO 10 MPH. SOUTHERLY WINDS OVERNIGHT WILL  
AGAIN PINWHEEL BACK TO THE NORTHWEST AND BE SLIGHTLY STRONGER ON  
THURSDAY. HUMIDITY VALUES WILL REMAIN NEAR 80 PERCENT, EVEN DURING  
THE MIDDLE OF BOTH WEDNESDAY AND THURSDAY AFTERNOONS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).  
MAX TEMPERATURE.....AROUND 32.  
MIN HUMIDITY........81 PERCENT.  
WIND (20 FT)........WEST WINDS AROUND 5 MPH SHIFTING TO THE SOUTH  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......1100 FT AGL.  
MIXING WINDS........WEST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST 10  
TO 15 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....(2800 KNOT-FT).  
 
TIME (CST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........76 72 68 70 72 74 71 68 66 64  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............24 23 25 27 28 30 31 32 32 31  
RH..............92 92 92 89 85 81 81 82 82 81  
20 FT WIND DIR..NW W W W SW SW SW SW S S  
20 FT WIND SPD..5 5 5 5 5 5 5 5 5 5  
20 FT WIND GUST.9 9 11 12 12 12 13 13 12 11  
MIX HGT (KFT)...0.5 0.5 0.6 0.8 1.1 1.0 1.1 0.8 0.7 0.4  
MIXING WIND DIR.NW W W W W W W SW SW SW  
MIXING WIND SPD.5 5 10 10 10 15 10 10 10 10  
VRATE KT-FT/1K..3 3 4 6 11 11 11 8 7 4  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 20.  
MAX HUMIDITY........96 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH SHIFTING TO THE WEST  
OVERNIGHT.  
MIXING HEIGHT.......400 FT AGL.  
MIXING WINDS........SOUTHWEST 10 TO 15 MPH SHIFTING TO THE WEST  
EARLY IN THE MORNING.  
SMOKE DISPERSAL.....(2900 KNOT-FT).  
 
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........60 50 37 18 8 5  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............29 27 26 27 26 26  
RH..............85 88 88 85 85 92  
20 FT WIND......S 5 S 5 S 10 SW 10 SW 10 W 5  
20 FT WIND GUST.11 12 14 14 14 13  
MIX HGT (FT)....400 400 400 400 400 400  
MIXING WIND.....S 10 S 10 S 15 S 15 SW 15 W 15  
VRATE KT-FT/1K..3 4 5 6 6 5  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....AROUND 37.  
MIN HUMIDITY........82 PERCENT.  
WIND (20 FT)........WEST WINDS AROUND 5 MPH SHIFTING TO THE  
NORTHWEST IN THE AFTERNOON.  
MIXING HEIGHT.......500 FT AGL.  
MIXING WINDS........WEST 10 TO 15 MPH SHIFTING TO THE NORTHWEST 5  
TO 10 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....(2500 KNOT-FT).  
 
TIME (CST) 6 AM 9 AM NOON 3 PM  
SKY (%).........7 12 8 2  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
TEMP............25 25 32 37  
RH..............96 92 82 82  
20 FT WIND......W 5G11 W 5G11 NW 5G12 NW 5G11  
MIX HGT (FT)....400 400 500 500  
MIXING WIND.....W 15 W 10 NW 10 NW 5  
VRATE KT-FT/1K..4 3 4 3  
 

 
FORECASTER...BR  
REQUESTED BY...ZACHARY DOFFIN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2501669.0/FGF  
.DELDT 01/29/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ZACHARY_DOFFIN@FWS.GOV  
 
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