332
FNUS75 KMSO 172115
FWSMSO
SPOT FORECAST FOR CUTAWAY FIRE
NATIONAL WEATHER SERVICE MISSOULA MT
315 PM MDT WED SEP 17 2025
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
TRANSIENT HIGH PRESSURE IS CURRENTLY OVER THE REGION
BUT WILL SLOWLY WEAKEN OVER THE FORECAST PERIOD. WARM AND DRY
CONDITIONS FOR MID SEPTEMBER ARE EXPECTED, WITH LIGHT AND
GENERALLY WESTERLY WINDS.
AFTER FRIDAY, THE RIDGE IS FORECAST TO BREAKDOWN SUNDAY WITH AN
INCREASE IN SOUTHWESTERLY WINDS. THE MODELS CURRENTLY ARE NOT
EXCITED ABOUT SHOWER ACTIVITY BUT CHANCES SHOULD INCREASE ON
SUNDAY.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....66-71.
* MIN HUMIDITY........24-29 PERCENT.
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING NORTHWEST 5-9 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.......2500 FT AGL INCREASING TO 7500 FT AGL.
* MIXING WINDS........WEST 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
THURSDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....39-44.
* MAX HUMIDITY........53-58 PERCENT.
* WIND (20 FT)........VARIABLE 1-3 MPH.
* MIXING HEIGHT.......6500 FT AGL DECREASING TO 1000 FT AGL.
* MIXING WINDS........EAST 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FRIDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....67-72.
* MIN HUMIDITY........24-29 PERCENT.
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING WEST 5-8 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.......2500 FT AGL INCREASING TO 9000 FT AGL.
* MIXING WINDS........SOUTHWEST 10 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FORECAST DAYS 3 THROUGH 5
SATURDAY
MOSTLY CLEAR. LOWS 40-45. HIGHS 66-71. DIURNAL TERRAIN WINDS TO
10 MPH.
SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 39-44. HIGHS 57-62. SOUTHWEST WINDS 5-18 MPH.
MONDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. SOME FROST. LOWS 31-36.
HIGHS 62-67. DIURNAL TERRAIN WINDS TO 10 MPH.
FORECASTER...BEC
REQUESTED BY...PAUL SMITH
TYPE OF REQUEST...WILDFIRE
.TAG 2521569.11/MSO
.DELDT 09/17/25
.FORMATTERVERSION 2.0.0
.EMAIL PAUL.M.SMITH@USDA.GOV,JEROD.RUSSELL@USDA.GOV,JOSH.HANSEN@USDA.GOV,CHARLES.MCDONALD3@USDA.GOV
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