748
FNUS75 KTFX 071017
FWSTFX
SPOT FORECAST FOR TREASURE MTN RX...USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
417 AM MDT THU MAY 7 2026
FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MAY 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SHOWERS WILL TRACK SOUTHEAST PRIMARILY ALONG AND EAST OF THE
CONTINENTAL DIVIDE THIS MORNING, BUT CANNOT RULE OUT A SHOWER
AFFECTING AREAS AS FAR WEST AS THE BURN LOCATION. SKIES PARTIALLY
CLEAR LATER THIS MORNING THROUGH EARLY THIS AFTERNOON, HOWEVER
THIS WILL LEAD TO CUMULUS DEVELOPMENT AND A FEW WIDELY SCATTERED
SHOWERS AND PERHAPS AN ISOLATED WEAK THUNDERSTORMS LATE THIS
AFTERNOON. DRIER CONDITIONS PREVAIL TONIGHT THROUGH MOST OF THE
DAY ON FRIDAY WITH ANOTHER ROUND OF ISOLATED SHOWERS AND POSSIBLY
A THUNDERSTORM FRIDAY NIGHT. GENERAL WINDS FROM THE WEST TO
NORTHWEST PERSIST WITH A FEW AFTERNOON GUSTS TO AROUND 20 MPH
TODAY AND AGAIN FRIDAY WITH LIGHTER SLOPE-DRIVEN WINDS DEVELOPING
OVERNIGHT.
TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). AFTERNOON
CUMULUS BUILDUP WITH AN ISOLATED SHOWER OR
WEAK THUNDERSTORM POSSIBLE.
CWR.................5 PERCENT.
CHANCE OF THUNDER...13 PERCENT.
MAX TEMPERATURE.....55-60.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST WINDS AROUND 15 MPH.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
TIME (MDT) 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........57 58 63 65 61 54
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............10 10 10 10 10 10
CHC OF THDR (%).10 10 10 10 10 10
TEMP............53 54 55 55 56 57
RH..............42 41 40 40 39 38
20 FT WIND DIR..W NW NW NW NW NW
20 FT WIND SPD..10 10 15 15 15 15
20 FT WIND GUST.15 15 20 20 20 20
MIX HGT (KFT)...4.5 4.5 4.5 5.0 5.5 5.0
TRANSP WIND DIR.W W W W W W
TRANSP WIND SPD.20 20 20 20 20 20
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...6 PERCENT.
MIN TEMPERATURE.....34-39.
MAX HUMIDITY........77-82 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 15 MPH EARLY IN THE EVENING,
BECOMING LIGHT OR DOWN-DRAINAGE UP TO 10 MPH
OVERNIGHT.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH BECOMING WEST 5 TO 10
MPH IN THE EVENING.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........55 49 31 21 25 46 29 29 40 35 34 32
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).10 10 10 0 0 0 0 0 0 0 0 0
TEMP............57 55 51 46 45 43 41 41 40 38 38 38
RH..............39 44 55 64 68 72 76 76 79 81 81 81
20 FT WIND DIR..NW NW NW NW W SW W SW SW W SW SW
20 FT WIND SPD..15 15 10 5 5 5 5 5 5 5 5 5
20 FT WIND GUST.20 20 15 10 10 10 10 10 10 10 10 10
MIX HGT (KFT)...5.0 4.5 1.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W NW NW NW W W W SW W W W W
TRANSP WIND SPD.20 15 10 10 5 5 10 10 10 10 10 10
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (75-85 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
MAX TEMPERATURE.....58-63.
MIN HUMIDITY........24-29 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH INCREASING TO AROUND 15
MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......7500 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH INCREASING TO AROUND 20 MPH
LATE IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........40 40 40 51 51 51 77 77 77 87 87 87
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............37 38 42 45 51 55 56 58 59 59 59 60
RH..............82 76 69 60 50 40 35 33 31 30 29 29
20 FT WIND DIR..SW SW SW W W W W W W W W W
20 FT WIND SPD..5 5 5 10 10 10 10 10 10 15 15 15
20 FT WIND GUST.10 10 10 15 15 15 20 20 20 25 25 25
MIX HGT (KFT)...0.5 0.5 1.5 2.5 3.5 4.5 5.0 6.5 7.5 7.0 7.0 7.0
TRANSP WIND DIR.W SW W W W W W W W W W W
TRANSP WIND SPD.10 10 10 15 15 15 15 15 15 20 20 20
FORECASTER...HOENISCH
REQUESTED BY...KYLE MILLER
TYPE OF REQUEST...PRESCRIBED
.TAG 2612651.3/TFX
.DELDT 05/07/26
.FORMATTERVERSION 2.0.0
.EMAIL KYLE.A.MILLER@USDA.GOV,LEWIS.TAFELMEYER@USDA.GOV,KENNETH.ANDERSEN@USDA.GOV
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