068
FNUS73 KFGF 152156
FWSFGF
SPOT FORECAST FOR SOUTH TWIN PILE RX...USFS
NATIONAL WEATHER SERVICE GRAND FORKS ND
356 PM CST MON DEC 15 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 CST ON DECEMBER 16.
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.
..WIND ADVISORY IN EFFECT FROM 9 AM TO 6 PM CST TUESDAY
DISCUSSION
WINDS SHIFT WESTWARD TONIGHT, THEN BECOME GUSTY EARLY TUESDAY
MORNING. TEMPERATURES ARE EXPECTED TO CLIMB WELL INTO THE 30S TO
NEAR 40 DEGREES BY MIDDAY TUESDAY, THEN FALL THROUGH THE
AFTERNOON.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT).
MAX TEMPERATURE.....AROUND 43.
MIN HUMIDITY........76 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 10 MPH SHIFTING TO THE
WEST IN THE AFTERNOON. GUSTS UP TO 36 MPH.
MIXING HEIGHT.......2200 FT AGL.
MIXING WINDS........WEST 15 TO 20 MPH INCREASING TO 25 TO 30 MPH IN
THE AFTERNOON.
SMOKE DISPERSAL.....11800 KNOT-FT EARLY IN THE MORNING INCREASING
TO 51700 KNOT-FT IN THE AFTERNOON.
TIME (CST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........48 58 49 30 29 38 47 53 64 74
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............31 34 38 41 43 43 43 41 39 36
RH..............88 92 82 79 76 76 76 79 79 85
20 FT WIND DIR..SW SW SW W W W W W W W
20 FT WIND SPD..10 10 10 10 10 10 15 10 15 15
20 FT WIND GUST.26 26 27 27 28 29 30 30 32 32
MIX HGT (KFT)...0.7 0.9 1.0 1.3 1.6 1.8 2.0 2.2 2.0 1.8
MIXING WIND DIR.SW SW W W W W W W W NW
MIXING WIND SPD.20 20 15 20 25 25 25 30 30 30
VRATE KT-FT/1K..12 14 15 24 34 40 46 52 48 45
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT).
MIN TEMPERATURE.....AROUND 8 ABOVE.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 30 MPH IN THE EVENING AND OVERNIGHT
BECOMING LIGHT.
MIXING HEIGHT.......600 FT AGL.
MIXING WINDS........NORTHWEST 25 TO 30 MPH DECREASING TO 15 TO 20
MPH OVERNIGHT, THEN SHIFTING TO THE WEST AROUND
10 MPH AFTER 3 AM SHIFTING TO THE SOUTHWEST
EARLY IN THE MORNING.
SMOKE DISPERSAL.....55300 KNOT-FT EARLY IN THE EVENING DECREASING
TO 4100 KNOT-FT LATE IN THE NIGHT.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........91 85 70 63 47 46 44 44 44 44 45 46
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............32 27 25 21 17 15 13 13 12 11 12 12
RH..............85 88 81 81 88 88 87 84 84 87 84 87
20 FT WIND DIR..NW NW NW NW NW NW NW NW W W W SW
20 FT WIND SPD..10 10 10 10 10 5 5 5 5 0 0 0
20 FT WIND GUST.30 29 27 23 21 18 14 13 12 11 9 9
MIX HGT (KFT)...1.8 2.0 2.0 2.1 2.1 1.9 1.7 1.5 1.2 1.0 0.8 0.6
MIXING WIND DIR.NW NW NW NW NW NW NW NW W W W SW
MIXING WIND SPD.30 30 30 30 30 25 20 15 15 10 10 10
VRATE KT-FT/1K..46 53 55 55 50 41 30 22 15 10 6 4
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF
LIGHT FREEZING RAIN EARLY IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 35.
MIN HUMIDITY........72 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH WITH
GUSTS TO AROUND 23 MPH.
MIXING HEIGHT.......1400 FT AGL.
MIXING WINDS........SOUTH 10 TO 15 MPH INCREASING TO 20 TO 25 MPH
IN THE AFTERNOON.
SMOKE DISPERSAL.....2900 KNOT-FT EARLY IN THE MORNING INCREASING TO
28000 KNOT-FT IN THE AFTERNOON.
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........47 50 52 55 61 67 73 77 82 86 86 85
WEATHER COV..... SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... FZR FZR FZR RN RN RN
TSTM COV........
TEMP............13 14 14 15 19 22 26 28 29 31 31 32
RH..............87 88 92 92 84 84 78 75 75 72 75 75
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..0 5 5 5 5 5 10 10 10 10 10 10
20 FT WIND GUST.11 12 13 14 15 18 19 20 21 22 23 23
MIX HGT (KFT)...0.4 0.4 0.4 0.5 0.7 1.0 1.2 1.4 1.4 1.4 1.3 1.1
MIXING WIND DIR.S S S S S S S S S S S S
MIXING WIND SPD.10 10 10 15 15 15 20 20 25 25 20 20
VRATE KT-FT/1K..3 3 4 6 9 15 21 26 28 28 24 19
FORECASTER...TL
REQUESTED BY...JOE KAUFMANN
TYPE OF REQUEST...PRESCRIBED
.TAG 2527733.0/FGF
.DELDT 12/15/25
.FORMATTERVERSION 2.0.0
.EMAIL JOSEPH.KAUFMANN@USDA.GOV
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