001
FNUS75 KTFX 270009
FWSTFX
SPOT FORECAST FOR WILDFIRE SW OF CHINOOK...BLAINE COUNTY SHERIFF
NATIONAL WEATHER SERVICE GREAT FALLS MT
509 PM MST THU FEB 26 2026
FORECAST IS BASED ON FORECAST START TIME OF 1700 MST ON FEBRUARY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
..HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST FRIDAY
DISCUSSION
PERIODS OF STRONG WINDS ARE EXPECTED THROUGH AT LEAST 8 AM ON
FRIDAY. WINDS WILL LIKELY BE STRONGEST FROM 7 PM THIS EVENING
UNTIL 5 AM FRI, WHEN GUSTS AROUND 60 TO 65 MPH WILL BE POSSIBLE.
A COLD FRONT SHOULD ARRIVE IN CHINOOK BETWEEN 5 AM AND 8 AM ON
FRIDAY. EXPECT A WIND SHIFT TO THE NORTH, LIGHTER WINDS, BUT MUCH
COLDER TEMPERATURES BEHIND THE FRONT. LIGHT SNOW SHOULD DEVELOP BY
NOON ON FRIDAY AND THEN CONTINUE UNTIL ABOUT NOON ON SAT. SNOW
ACCUMULATIONS OF 1 TO 3 INCHES LOOK LIKELY.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). AREAS OF BLOWING
DUST.
CWR.................5 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....25-30.
MAX HUMIDITY........65-70 PERCENT BY 7 AM FRI.
WIND (20 FT)........
SLOPE/VALLEY.......VERY WINDY. WEST WINDS 35 TO 40 MPH WITH GUSTS
TO AROUND 65 MPH DECREASING AFTER 5 AM.
RIDGETOP...........WEST 55 TO 70 MPH DECREASING AFTER 5 AM.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....WEST 35 TO 45 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF
SNOW EARLY IN THE MORNING, THEN SNOW LIKELY
IN THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 50 PERCENT IN THE
AFTERNOON.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....33-38...BUT FALLING INTO THE LOWER 20S FRIDAY
AFTERNOON.
MIN HUMIDITY........55-60 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......BREEZY. NORTH WINDS 20 TO 25 MPH SHIFTING TO
THE NORTHEAST AROUND 15 MPH IN THE MORNING.
RIDGETOP...........WEST 30 TO 35 MPH DECREASING TO 20 TO 25 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....WEST 20 TO 25 MPH SHIFTING TO THE NORTHEAST
IN THE MORNING.
FORECASTER...BRUSDA
REQUESTED BY...SHERIFF OFFICE
TYPE OF REQUEST...WILDFIRE
.TAG 2604168.0/TFX
.DELDT 02/26/26
.FORMATTERVERSION 2.0.0
.EMAIL CHINOOKFIRE@BLAINECOUNTY-MT.GOV
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