747
FNUS75 KTFX 151139
FWSTFX
SPOT FORECAST FOR DOUBLE FALLS TRACT PILES...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE GREAT FALLS MT
539 AM MDT THU OCT 15 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 MDT ON OCTOBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
...HIGH WIND WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...
DISCUSSION
UPPER LEVEL RIDGING IN PLACE WILL ALLOW FOR A BENIGN DAY WITH
LIGHT WINDS TODAY. WINDS INCREASE TO AROUND 15-20 MPH OUT OF THE
WEST LATE TONIGHT AND PERSIST THROUGH THE DAY FRIDAY AHEAD OF AN
EVEN GUSTIER DAY SATURDAY AS THE UPPER LEVEL RIDGE IS BROKEN DOWN.
TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....42-47.
MIN HUMIDITY........62-67 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......UP SLOPE/VALLEY AROUND 3-5 MPH, BECOMING EAST
AROUND 5 MPH BY EARLY AFTERNOON.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....VARIABLE AROUND 5-10 MPH.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........44 35 26 8 8 4 3 2 3 7 8 4
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............27 26 26 27 31 33 36 39 40 42 42 42
RH..............86 83 85 86 81 77 75 75 73 71 72 72
20 FT WIND DIR..S S S SW S E E E E E NE N
20 FT WIND SPD..0 0 0 0 0 0 0 5 0 0 0 0
20 FT WIND GUST.5 5 5 10 5 5 5 5 10 10 5
MIX HGT (KFT)...1.0 1.0 0.5 0.5 1.0 1.5 1.5 1.5 1.5 1.5 1.5 1.0
TRANSP WIND DIR.E E E SE E NE E N N S SW S
TRANSP WIND SPD.10 10 10 5 5 5 5 5 5 5 5 5
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....29-34.
MAX HUMIDITY........71-76 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 10 MPH IN THE
LATE EVENING AND OVERNIGHT, THEN INCREASING TO
AROUND 15-20 MPH WITH GUSTS TO 35 MPH AFTER
3 AM.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH INCREASING TO 20 TO 25 MPH
OVERNIGHT.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........5 9 18 22 28 40 17 19 18 10 11 17
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............40 37 34 32 31 31 31 31 32 32 33 33
RH..............76 76 76 76 76 76 76 71 68 65 62 60
20 FT WIND DIR..NW N W W W W W W W W W W
20 FT WIND SPD..0 0 0 5 5 5 5 10 10 10 15 15
20 FT WIND GUST.5 5 5 10 15 15 15 15 15 20 20 25
MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W W W W SW W W W W W W
TRANSP WIND SPD.10 5 10 10 10 10 10 10 15 15 20 15
FRIDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....54-59.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 35 MPH.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........33 33 33 17 17 17 14 14 14 27 27 27
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............32 34 34 36 43 48 53 54 55 56 54 54
RH..............58 55 54 52 49 45 42 41 39 38 41 44
20 FT WIND DIR..W W W W W W SW SW SW SW SW SW
20 FT WIND SPD..15 15 15 10 10 10 10 10 10 10 10 10
20 FT WIND GUST.30 30 30 25 25 25 25 25 25 25 25 25
MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.5 1.0 1.5 2.0 2.0 2.0 1.5 1.0
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.20 15 20 20 20 20 20 15 20 25 20 15
FORECASTER...MCDOWELL
REQUESTED BY...BRAD PASKEY
TYPE OF REQUEST...PRESCRIBED
.TAG 2623807.0/TFX
.DELDT 10/15/26
.FORMATTERVERSION 2.0.0
.EMAIL BRAD.PASKEY@USDA.GOV, TFX.OPS@NOAA.GOV
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