751
FNUS75 KMSO 241954
FWSMSO
SPOT FORECAST FOR MARMOT PEAK FIRE
NATIONAL WEATHER SERVICE MISSOULA MT
154 PM MDT THU SEP 24 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON SEPTEMBER 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
...WIND ADVISORY IN EFFECT FROM 2 PM FRIDAY TO MIDNIGHT MDT
FRIDAY NIGHT...
DISCUSSION
A COLD FRONT WILL PUSH THROUGH THE AREA 1400-1700
MDT ON FRIDAY BRINGING STRONG WEST-SOUTHWEST WINDS, SHOWERS AND
EVEN THE POTENTIAL FOR A THUNDERSTORM. SNOW LEVELS WILL LOWER TO
AROUND 5,500 FT OVERNIGHT WITH COOLER AIR BEHIND THE FRONT. THERE
IS GREATER THAN 80% CHANCE FOR WETTING PRECIPITATION THROUGH THE
EARLY SATURDAY MORNING. SNOW AMOUNTS WILL RANGE FROM 0 TO 1 INCH.
COOL AND SHOWERY WEATHER CONTINUES FOR SATURDAY WITH VERY LOW TO
NONEXISTENT MEASURABLE PRECIPITATION.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS AND SLIGHT
CHANCE FOR A THUNDERSTORM IN THE AFTERNOON.
* CWR (> 0.10 INCH)...60 PERCENT.
* CHANCE LIGHTNING....LESS THAN 10 PERCENT.
* MAX TEMPERATURE.....53-58.
* MIN HUMIDITY........53-58 PERCENT.
* WIND (20 FT)........INCREASING OUT OF THE WEST-SOUTHWEST 10-20
MPH WITH GUSTS 30-40 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......NEAR 500 FT AGL IN THE MORNING INCREASING
TO 3500 FT AGL IN THE AFTERNOON.
* MIXING WINDS........WEST-SOUTHWEST 35 MPH.
* PRECIP AMOUNT.......0.06-0.16 INCHES.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN IN THE
EVENING, MIXING WITH SNOW OVERNIGHT.
* CWR (> 0.10 INCH)...40 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....34-39.
* MAX HUMIDITY........78-83 PERCENT.
* WIND (20 FT)........WEST-SOUTHWEST 8-18 MPH WITH GUSTS 30-40
MPH.
* MIXING HEIGHT.......DECREASING TO 500 FT AGL.
* MIXING WINDS........WEST 30 MPH.
* PRECIP AMOUNT.......0.01-0.15 INCHES.
SATURDAY
* SKY/WEATHER.........MOSTLY CLOUDY, A FEW LINGERING RAIN/SNOW
SHOWERS POSSIBLE.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....41-46.
* MIN HUMIDITY........50-55 PERCENT.
* WIND (20 FT)........WEST-SOUTHWEST 8-18 MPH WITH GUSTS 30-40 MPH
IN THE MORNING SHIFTING TO THE WEST 7-14 MPH WITH GUSTS 20-30
MPH IN THE AFTERNOON.
* MIXING HEIGHT.......INCREASING TO 5000 FT AGL IN THE AFTERNOON.
* MIXING WINDS........WEST 20 MPH.
* PRECIP AMOUNT.......0.00-0.02 INCHES.
FORECAST DAYS 3 THROUGH 5
SUNDAY
PARTLY CLOUDY. LOWS 30-35. HIGHS 46-51. VARIABLE WINDS UP TO
10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 32-37. HIGHS 44-49. DIURNAL TERRAIN WINDS TO
10 MPH.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF RAIN. LOWS 32-37. HIGHS 42-47.
SOUTHWEST WINDS 7-10 MPH.
FORECASTER...PARKER
REQUESTED BY...BRITTNEY M. ALLESTAD
TYPE OF REQUEST...WILDFIRE
.TAG 2622371.2/MSO
.DELDT 09/24/26
.FORMATTERVERSION 2.0.0
.EMAIL BRITTNEY_ALLESTAD@FIRENET.GOV,BRITTNEY.ALLESTAD@USDA.GOV.,BRITTNEY.ALLESTAD@USDA.GOV
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