195
FNUS75 KMSO 250137
FWSMSO
SPOT FORECAST FOR LUMBER FIRE
NATIONAL WEATHER SERVICE MISSOULA MT
737 PM MDT MON AUG 24 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON AUGUST 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MOSTLY SUNNY IN THE MORNING, THEN TURNING PARTLY
CLOUDY, WITH A FEW CUMULUS BUILD-UPS ALONG THE RIDGE TOPS IN THE
AFTERNOON AND A 10 PERCENT PROBABILITY FOR A SHOWER OR
THUNDERSTORM DEVELOPING NEARBY AROUND 1800. WINDS WILL BE SOUTH-
SOUTHEAST UP TO 10 MPH DURING THE DAY. WEDNESDAY, A LIGHT SOUTH-
SOUTHEAST WIND WILL PERSIST, WITH MORE CUMULUS BUILD-UPS IN THE
AFTERNOON AND A BETTER CHANCE (20%) FOR SCATTERED AFTERNOON
SHOWERS AND THUNDERSTORMS, AFTER 1800. ANY SHOWERS OR
THUNDERSTORMS THAT DEVELOP OVER OR NEAR THE FIRE WILL BE CAPABLE
OF PRODUCING OUTFLOWS OF 30 TO 40 MPH.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....10 PERCENT.
* MAX TEMPERATURE.....83-88.
* MIN HUMIDITY........16-21 PERCENT.
* WIND (20 FT)........SOUTHEAST 5-7 MPH.
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 9000 FT AGL.
* MIXING WINDS........SOUTHEAST 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
OVERNIGHT.
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....59-64.
* MAX HUMIDITY........45-50 PERCENT.
* WIND (20 FT)........VARIABLE 1-3 MPH.
* MIXING HEIGHT.......8000 FT AGL DECREASING TO 500 FT AGL.
* MIXING WINDS........SOUTHEAST 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
* CHANCE LIGHTNING....20 PERCENT.
* MAX TEMPERATURE.....85-90.
* MIN HUMIDITY........14-19 PERCENT.
* WIND (20 FT)........SOUTHEAST 5-7 MPH.
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 10000 FT AGL LATE
IN THE AFTERNOON.
* MIXING WINDS........SOUTHEAST 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FORECASTER...ROBINSON
REQUESTED BY...BEN HOLLAND
TYPE OF REQUEST...WILDFIRE
.TAG 2620281.1/MSO
.DELDT 08/24/26
.FORMATTERVERSION 2.0.0
.EMAIL BENNETT.HOLLAND@MT.GOV
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