109
FNUS75 KMSO 202314
FWSMSO
SPOT FORECAST FOR ISLAND CREEK FIRE
NATIONAL WEATHER SERVICE MISSOULA MT
514 PM MDT WED AUG 20 2025
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRIER AIR MOVES INTO THE REGION ON THURSDAY, WITH
HUMIDITY LOWERING BACK INTO THE TEENS AND LOW 20S. WARMER AND
DRIER ON FRIDAY WITH EAST WINDS 5-7 MPH IN THE MORNING SWITCHING
TO NORTHWEST IN THE AFTERNOON.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....79-84.
* MIN HUMIDITY........17-22 PERCENT.
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING NORTHWEST 6-9 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.......2000 FT AGL INCREASING TO 6000 FT AGL LATE IN
THE MORNING.
* MIXING WINDS........NORTHWEST 5 MPH.
THURSDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....55-60.
* MAX HUMIDITY........36-41 PERCENT.
* WIND (20 FT)........WEST 5-7 MPH SHIFTING TO THE SOUTHEAST AROUND
6 MPH OVERNIGHT.
* MIXING HEIGHT.......3000 FT AGL DECREASING TO 500 FT AGL EARLY IN
THE EVENING.
* MIXING WINDS........WEST 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FRIDAY
* SKY/WEATHER.........SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....86-91.
* MIN HUMIDITY........11-16 PERCENT.
* WIND (20 FT)........SOUTHEAST 5-7 MPH SHIFTING TO THE NORTHWEST
IN THE AFTERNOON.
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 7000 FT AGL.
* MIXING WINDS........EAST 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FORECASTER...KITSMILLER
REQUESTED BY...ANNA SIVILL
TYPE OF REQUEST...WILDFIRE
.TAG 2520340.0/MSO
.DELDT 08/20/25
.FORMATTERVERSION 2.0.0
.EMAIL ANNA_SIVILL@FIRENET.GOV
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