446
FNUS75 KTFX 110928
FWSTFX
SPOT FORECAST FOR ARROWLEAF...MT DNRC
NATIONAL WEATHER SERVICE GREAT FALLS MT
328 AM MDT WED MAR 11 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 MDT ON MARCH 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 3 PM MDT
THURSDAY...
DISCUSSION
AN ACTIVE SECOND HALF OF THE WORK WEEK IS EXPECTED AS A PLUME OF
PACIFIC MOISTURE STREAMS EASTWARD AND OVER THE NORTHERN ROCKIES
THROUGH SATURDAY. THE INITIAL SURGE OF THIS MOISTURE WILL BE
ACCOMPANIED BY VERY STRONG WESTERLY WINDS, WHICH WILL BEGIN TO
INCREASE DURING THE EVENING HOURS TONIGHT AND PEAK THROUGH THE
LATE MORNING TO EARLY AFTERNOON HOURS ON THURSDAY. SIGNIFICANT
SNOWFALL IS EXPECTED TO OCCUR ACROSS THE INCIDENT AREA, WITH
BETWEEN 24-32" OF SNOW EXPECTED FROM THIS EVENING THROUGH
SATURDAY.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SNOW
THROUGH THE DAY.
CWR.................5 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....36-41.
MIN HUMIDITY........47-52 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......BREEZY. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS
TO AROUND 40 MPH.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....WEST AROUND 35 MPH.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SNOW THROUGH THE
NIGHT. SLIGHT CHANCE OF RAIN OVERNIGHT. PATCHY
BLOWING SNOW OVERNIGHT.
CWR.................70 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
MIN TEMPERATURE.....28-33.
MAX HUMIDITY........61-66 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......VERY WINDY. SOUTHWEST WINDS 20 TO 25 MPH WITH
GUSTS TO AROUND 45 MPH INCREASING TO 30 TO 40
MPH WITH GUSTS TO AROUND 70 MPH OVERNIGHT.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 40 MPH.
THURSDAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SNOW.
CWR.................85 PERCENT.
CHANCE OF THUNDER...3 PERCENT.
MAX TEMPERATURE.....39-44.
MIN HUMIDITY........53-58 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......VERY WINDY. WEST WINDS 35 TO 40 MPH, WITH GUSTS
TO AROUND 70 MPH.
MIXING HEIGHT.......8000 FT AGL.
TRANSPORT WINDS.....WEST AROUND 60 MPH.
FORECAST DAYS 3 THROUGH 5
FRIDAY
PATCHY BLOWING SNOW IN THE EVENING. SNOW. LOWS IN THE MID 20S.
HIGHS IN THE MID 30S. WEST WINDS AROUND 15 MPH.
SATURDAY
SNOW. LOWS IN THE LOWER 20S. HIGHS AROUND 30. NORTHWEST WINDS
AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SNOW. LOWS AROUND 11. HIGHS IN THE LOWER 30S.
WEST WINDS AROUND 10 MPH.
FORECASTER...MOLDAN
REQUESTED BY...BOB CULBRETH
TYPE OF REQUEST...PRESCRIBED
.TAG 2605200.2/TFX
.DELDT 03/11/26
.FORMATTERVERSION 2.0.0
.EMAIL BOB.CULBRETH@MT.GOV, TFX.OPS@NOAA.GOV
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