389
FNUS75 KMSO 190005
FWSMSO
SPOT FORECAST FOR CHERRY PEAK FIRE
NATIONAL WEATHER SERVICE MISSOULA MT
605 PM MDT TUE AUG 18 2026
FORECAST IS BASED ON FORECAST START TIME OF 2000 MDT ON AUGUST 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE WILL BUILD OVER THE NORTHERN ROCKIES
FOR THE REMAINDER OF THE WEEK. EXPECT WARM AND DRY CONDITIONS WITH
POOR OVERNIGHT RH RECOVERY ON MIDSLOPES AND UPPER ELEVATIONS.
WINDS WILL BE PRIMARILY SOUTHWEST TO WEST AND BECOME TERRAIN-
DRIVEN OVERNIGHT. THERE WILL BE A SLIGHT CHANCE (ABOUT 5%) FOR
AFTERNOON THUNDERSTORMS ON THURSDAY.
REST OF TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....54-59.
* MAX HUMIDITY........40-45 PERCENT.
* WIND (20 FT)........SOUTH 6-12 BECOMING WEST AFTER SUNSET.
* MIXING HEIGHT.......500 FT AGL.
* MIXING WINDS........WEST 10 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....70-75.
* MIN HUMIDITY........15-20 PERCENT.
* WIND (20 FT)........SOUTHWEST 6-12 MPH.
* MIXING HEIGHT.......2000 FT AGL INCREASING TO 7500 FT AGL.
* MIXING WINDS........WEST 10 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........38-43 PERCENT.
* WIND (20 FT)........WEST 5-7 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2-4 MPH.
* MIXING HEIGHT.......4500 FT AGL DECREASING TO 500 FT AGL EARLY IN
THE EVENING.
* MIXING WINDS........SOUTHWEST 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....5 PERCENT.
* MAX TEMPERATURE.....74-79.
* MIN HUMIDITY........13-18 PERCENT.
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING WEST AROUND 5-10
MPH IN THE AFTERNOON.
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 10000 FT AGL.
* MIXING WINDS........SOUTHWEST 10 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FORECASTER...MESSINA
REQUESTED BY...DISPATCH
TYPE OF REQUEST...WILDFIRE
.TAG 2619977.0/MSO
.DELDT 08/18/26
.FORMATTERVERSION 2.0.0
.EMAIL MTMDC@FIRENET.GOV,TREVOR.UNSWORTH@USDA.GOV
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