024  
FNUS73 KMPX 201327  
FWSMPX  
 
SPOT FORECAST FOR GRACE MARSHES UNIT D...MN DNR  
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN  
727 AM CST THU NOV 20 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON NOVEMBER 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH  
THIS FORECAST.  
   
DISCUSSION  
DECREASING CLOUDS TODAY, WITH AFTERNOON HIGHS IN THE  
MID 40S. NORTHWEST WINDS ARE FORECAST TO SUSTAIN BETWEEN 5-10 MPH  
AND MAY OCCASIONALLY GUST UP TO 20 MPH THROUGH EARLY AFTERNOON.  
RH'S ARE FORECAST TO REMAIN ABOVE 60 PERCENT THROUGHOUT THE DAY.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING  
MOSTLY SUNNY (30-40 PERCENT).  
TEMPERATURE.........43 AT IGNITION...MAX 46.  
RH..................82 PERCENT AT IGNITION...MIN 65 PERCENT.  
WIND (20 FT)........WINDS NORTHWEST AT 9 MPH AT  
IGNITION...OTHERWISE NORTHWEST WINDS 5 TO 10  
MPH.  
SMOKE DISPERSAL.....GOOD /36100 KNOT-FT/ AT IGNITION. MAX...GOOD  
/41700 KNOT-FT/.  
MIXING HEIGHT.......2300 FT AGL AT IGNITION...OTHERWISE 2900 FT  
AGL.  
TRANSPORT WINDS.....NORTHWEST 14 TO 18 MPH DECREASING TO AROUND 8  
MPH LATE IN THE AFTERNOON.  
 
TIME (CST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM  
SKY COVER.......MC MC MC MC PC PC PC MCR PC MCR MCR MCR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............43 44 45 45 46 46 44 42 40 38 36 35  
RH..............82 76 70 70 65 65 68 73 79 82 85 89  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW W W  
20 FT WIND SPD..9 10 10 10 10 9 7 5 3 2 2 2  
20 FT WIND GUST.15 16 17 17 18 16 13 10 8 7 6 6  
MIX HGT (KFT)...2.3 2.8 2.9 2.9 2.8 2.7 2.4 0.5 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW W W NW  
TRANSP WIND SPD.18 17 16 16 15 14 14 8 7 5 7 8  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
TEMPERATURE.........MIN 24.  
RH..................MAX 100 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
SMOKE DISPERSAL.....POOR (1700 KNOT-FT).  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
TEMPERATURE.........MAX 46.  
RH..................MIN 47 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN  
THE AFTERNOON, THEN BECOMING LIGHT LATE IN THE  
AFTERNOON.  
SMOKE DISPERSAL.....POOR (1300 KNOT-FT).  
MIXING HEIGHT.......1600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 TO 7 MPH SHIFTING TO THE WEST  
AROUND 7 MPH LATE IN THE AFTERNOON.  
 
 
FORECASTER...STRUS  
REQUESTED BY...LOUISE SPICZKA  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526442.0/MPX  
.DELDT 11/20/25  
.FORMATTERVERSION 2.0.0  
.EMAIL LOUISE.SPICZKA@STATE.MN.US  
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