687
FNUS75 KMSO 211040
FWSMSO
SPOT FORECAST FOR MOOSE FIRE
NATIONAL WEATHER SERVICE MISSOULA MT
440 AM MDT FRI AUG 21 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
VERY HOT AND DRY TODAY WITH HIGH CHANCE FOR
NORTH/NORTHEASTERLY WINDS. ELEVATED CONVECTION THIS AFTERNOON AND
EVENING COULD PRODUCE LIGHTNING AND ERRATIC OUTFLOW GUSTS OF 30-45
MPH WITH NO CHANCE FOR WETTING RAIN. ANOTHER NIGHT OF POOR RH AND
TEMPERATURE RECOVERY EXPECTED THOUGH NOT AS SEVERE AS PREVIOUS
NIGHTS. MOISTURE INCREASES FOR SATURDAY WITH A MEDIUM-HIGH CHANCE
OF SEEING LIGHTNING NEARBY THE FIRE. A DIRECT IMPACT FROM A
SHOWER OR STORM CORE SATURDAY AFTERNOON CONTAINS A GOOD CHANCE FOR
WETTING RAIN OVER AT LEAST A PORTION OF THE FIRE AND A LOW CHANCE
FOR STRONG TO SEVERE STRENGTH WIND GUSTS (40-60 MPH).
TODAY
* SKY/WEATHER.........PARTLY CLOUDY, VERY SLIGHT CHANCE FOR
ELEVATED SHOWER OR ISOLATED THUNDERSTORM IN THE AFTERNOON AND
EVENING.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....UP TO 10 PERCENT.
* MAX TEMPERATURE.....84-89.
* MIN HUMIDITY........15-20 PERCENT.
* WIND (20 FT)........VARIABLE 1-4 MPH IN THE MORNING BECOMING
WEST THEN NORTH 3-8 MPH WITH GUSTS TO 15 MPH IN THE AFTERNOON
AND EVENING.
* MIXING HEIGHT.......NEAR 500 FT AGL IN THE MORNING INCREASING TO
8500 FT AGL IN THE AFTERNOON.
* MIXING WINDS........VARIABLE/NORTHEAST 5 MPH.
* PRECIP AMOUNT.......0.00-0.01 INCHES.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY, VERY SLIGHT CHANCE FOR
ELEVATED SHOWER OR ISOLATED THUNDERSTORM.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....10 PERCENT.
* MIN TEMPERATURE.....58-63.
* MAX HUMIDITY........32-37 PERCENT.
* WIND (20 FT)........NORTHEAST 3-6 MPH SHIFTING TO THE SOUTH 3-8
MPH WITH GUSTS TO 15 MPH OVERNIGHT.
* MIXING HEIGHT.......DECREASING TO 500 FT AGL OVERNIGHT.
* MIXING WINDS........SOUTH INCREASING TO 15 MPH OVERNIGHT.
* PRECIP AMOUNT.......0.00-0.02 INCHES.
SATURDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CWR (> 0.10 INCH)...40 PERCENT.
* CHANCE LIGHTNING....60 PERCENT.
* MAX TEMPERATURE.....77-82.
* MIN HUMIDITY........22-27 PERCENT.
* WIND (20 FT)........SOUTH 3-7 MPH IN THE MORNING SHIFTING TO THE
SOUTHWEST 5-10 MPH WITH GUSTS TO 20-25 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......INCREASING TO 10000 FT AGL IN THE AFTERNOON.
* MIXING WINDS........SOUTHWEST 10 MPH.
* PRECIP AMOUNT.......0.01-0.20 INCHES.
FORECASTER...PARKER
REQUESTED BY...DONAVAN ALBERT
TYPE OF REQUEST...WILDFIRE
.TAG 2619412.10/MSO
.DELDT 08/21/26
.FORMATTERVERSION 2.0.0
.EMAIL 2026.MOOSE.PLANS@FIRENET.GOV
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