027  
FNUS73 KFGF 011231  
FWSFGF  
 
SPOT FORECAST FOR MYRVIK WPA...USFWS  
NATIONAL WEATHER SERVICE GRAND FORKS ND  
731 AM CDT THU MAY 1 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 01.  
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
 
 
SKIES CLEARED OVERNIGHT AND STARTING THE DAY WITH PARTLY CLOUDY  
CONDITIONS. EXPECT A PARTLY CLOUDY/PARTLY SUNNY SKY TODAY AS THICKER  
CLOUDS ARE EAST AND WEST OF YOU. DO EXPECT TO SEE A FEW SHOWERS FORM  
THIS AFTERNOON WITH A RISK OF A THUNDERSTORM, BUT CHANCES OF MEASURABLE  
RAIN IS 20 PERCENT.  
 
WINDS WILL BE PREDOMINATELY NORTH TODAY INTO TONIGHT 10 TO 15 MPH  
WITH GUSTS 20-25 MPH.  
 
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
MAX TEMPERATURE.....AROUND 61.  
MIN HUMIDITY........39 PERCENT.  
WIND (20 FT)........NORTH WINDS 10 TO 15 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......7700 FT AGL.  
MIXING WINDS........NORTH 15 TO 20 MPH.  
SMOKE DISPERSAL.....21200 KNOT-FT EARLY IN THE MORNING INCREASING  
TO 117800 KNOT-FT IN THE AFTERNOON INCREASING  
TO (126700 KNOT-FT) LATE IN THE AFTERNOON.  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........23 29 34 38 42 29 41 48  
WEATHER COV..... SCH SCH  
WEATHER TYPE.... RW RW  
TSTM COV........ SCH SCH  
TEMP............48 52 57 58 59 60 61 60  
RH..............73 63 49 45 42 41 39 41  
20 FT WIND DIR..N N N N N N N N  
20 FT WIND SPD..10 10 10 15 15 15 15 15  
20 FT WIND GUST.14 16 18 20 21 22 22 22  
MIX HGT (KFT)...1.6 3.1 5.1 6.9 7.7 7.6 7.7 7.5  
MIXING WIND DIR.N N N N N N N N  
MIXING WIND SPD.15 15 15 20 20 20 20 20  
VRATE KT-FT/1K..21 41 76 118 130 130 132 127  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.  
MIN TEMPERATURE.....AROUND 36.  
MAX HUMIDITY........96 PERCENT.  
WIND (20 FT)........NORTH WINDS 10 TO 15 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING.  
MIXING HEIGHT.......1000 FT AGL.  
MIXING WINDS........NORTH 15 TO 20 MPH.  
SMOKE DISPERSAL.....112500 KNOT-FT EARLY IN THE EVENING DECREASING  
TO 12900 KNOT-FT LATE IN THE NIGHT.  
 
TIME (CDT) 6 PM 9 PM MIDNGT 3 AM  
SKY (%).........56 58 50 41  
WEATHER COV.....S CHC S CHC  
WEATHER TYPE....RNSHWR RNSHWR NONE NONE  
TSTM COV........S CHC  
TEMP............59 50 45 41  
RH..............42 66 82 89  
20 FT WIND......N 15G22 N 15G19 N 10G18 N 10G18  
MIX HGT (FT)....6600 1100 1300 1400  
MIXING WIND.....N 20 N 15 N 15 N 15  
VRATE KT-FT/1K..113 14 17 20  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).  
MAX TEMPERATURE.....AROUND 58.  
MIN HUMIDITY........39 PERCENT.  
WIND (20 FT)........NORTH WINDS AROUND 10 MPH SHIFTING TO THE  
NORTHWEST LATE IN THE AFTERNOON.  
MIXING HEIGHT.......5400 FT AGL.  
MIXING WINDS........NORTH 10 TO 15 MPH SHIFTING TO THE NORTHWEST  
LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....15500 KNOT-FT EARLY IN THE MORNING INCREASING  
TO 54300 KNOT-FT IN THE AFTERNOON.  
 
TIME (CDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........43 49 48 38  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
TEMP............38 40 48 54  
RH..............89 85 65 48  
20 FT WIND......N 10G16 N 10G14 NW 10G14 NW 10G14  
MIX HGT (FT)....1300 1800 3800 5100  
MIXING WIND.....N 15 N 10 N 10 NW 10  
VRATE KT-FT/1K..16 18 35 49  
 

 
FORECASTER...DR  
REQUESTED BY...JASON WAGNER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2512507.0/FGF  
.DELDT 05/01/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JASON_WAGNER@FWS.GOV  
 
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