277
FNUS75 KMSO 021732
FWSMSO
SPOT FORECAST FOR VALLEY BOTTOM UNIT 99
NATIONAL WEATHER SERVICE MISSOULA MT
1132 AM MDT FRI OCT 2 2026
FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON OCTOBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WESTERLY FLOW WILL TODAY WILL TRANSITION TO HIGH
PRESSURE ON SATURDAY. TODAY, EXPECT WEST WINDS GUSTING TO ABOUT 15
MPH THIS AFTERNOON AND RH IN THE LOWER 30% NEIGHBORHOOD WITH GOOD
DISPERSION. WINDS RELAX UNDER THE RIDGE ON SATURDAY, RESULTING IN
DEGRADING SMOKE DISPERSION AND SLIGHTLY LOWER RELATIVE HUMIDITY.
REST OF TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....70-75.
* MIN HUMIDITY........32-37 PERCENT.
* WIND (20 FT)........WEST 5-10 MPH WITH GUSTS OF 15 MPH.
* MIXING HEIGHT.......5000 FT AGL.
* MIXING WINDS........WEST 15 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....37-42.
* MAX HUMIDITY........87-92 PERCENT.
* WIND (20 FT)........VARIABLE 1-3 MPH.
* MIXING HEIGHT.......500 FT AGL.
* MIXING WINDS........WEST 10 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG IN THE MORNING.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....71-76.
* MIN HUMIDITY........29-34 PERCENT.
* WIND (20 FT)........VARIABLE 3-6 MPH.
* MIXING HEIGHT.......3000 FT AGL.
* MIXING WINDS........SOUTH 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FORECASTER...MESSINA
REQUESTED BY...CHRIS WARWICK
TYPE OF REQUEST...PRESCRIBED
.TAG 2622971.0/MSO
.DELDT 10/02/26
.FORMATTERVERSION 2.0.0
.EMAIL BRYCE.HULL@USDA.GOV,BRETT.PARGMAN@USDA.GOV,SAMUEL.CUMMINGS@USDA.GOV,TODD.HANNAN@USDA.GOV,BRANDON.HIGHTOWER@USDA.GOV
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