977
FNUS75 KMSO 240120
FWSMSO
SPOT FORECAST FOR CHARCOAL
NATIONAL WEATHER SERVICE MISSOULA MT
720 PM MDT THU JUL 23 2026
FORECAST IS BASED ON FORECAST START TIME OF 1900 MDT ON JULY 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THUNDERSTORMS HAVE DEVELOPED IN CENTRAL IDAHO THIS
EVENING AND WILL MOVE EASTWARD TOWARDS THE FIRE. THESE STORMS WILL
BE WEAKENING AS THEY APPROACH THE FIRE, WITH A 20-30% CHANCE OF A
DIRECT HIT BETWEEN 9-11PM THIS EVENING. LOOKING AHEAD TO FRIDAY,
NEAR CRITICAL FIRE WEATHER IS EXPECTED FROM HOT, DRY, AND WINDY
CONDITIONS. WESTERLY WINDS WILL INCREASE DURING THE AFTERNOON,
WITH GUSTS OF 20-30 MPH. ISOLATED SHOWERS AND THUNDERSTORMS WILL
DEVELOP ALONG THE DIVIDE AND HIGHER TERRAIN BETWEEN 300-600PM ON
FRIDAY, BEFORE MOVING TOWARDS AND EAST OF THE FIRE. PRIMARY STORM
RISKS WILL BE LIGHTNING AND OUTFLOW WINDS. ELEVATED TO NEAR
CRITICAL FIRE WEATHER CONTINUES ON SATURDAY WITH SOUTHWEST WINDS
OF 16-20 MPH AND GUSTS OF 20-25 MPH IN THE AFTERNOON.
REST OF TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
* CHANCE LIGHTNING....25 PERCENT.
* MIN TEMPERATURE.....56-61.
* MAX HUMIDITY........65-70 PERCENT.
* WIND (20 FT)........WEST 6-8 MPH WITH GUSTS OF 10-15 MPH DURING
THE EVENING.
* MIXING HEIGHT.......500 FT AGL.
* MIXING WINDS........WEST 10 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
* CHANCE LIGHTNING....20 PERCENT.
* MAX TEMPERATURE.....81-86.
* MIN HUMIDITY........13-19 PERCENT.
* WIND (20 FT)........BREEZY. WEST 6-10 MPH INCREASING TO 15-20
MPH WITH GUSTS OF 20-30 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 11000 FT AGL.
* MIXING WINDS........WEST 15 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
* CHANCE LIGHTNING....UP TO 10 PERCENT.
* MIN TEMPERATURE.....57-62.
* MAX HUMIDITY........46-51 PERCENT.
* WIND (20 FT)........WEST 12-18 MPH SHIFTING TO THE SOUTHWEST
6-10 MPH OVERNIGHT.
* MIXING HEIGHT.......7000 FT AGL DECREASING TO 500 FT AGL EARLY IN
THE EVENING.
* MIXING WINDS........WEST 10 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
SATURDAY
* 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.....81-86.
* MIN HUMIDITY........16-21 PERCENT.
* WIND (20 FT)........BREEZY. SOUTHWEST 6-10 MPH INCREASING TO
SOUTHWEST 16-20 MPH WITH GUSTS OF 20-25 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......1000 FT AGL INCREASING TO 11000 FT AGL.
* MIXING WINDS........SOUTHWEST 20 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FORECASTER...LUKINBEAL
REQUESTED BY...KENA S
TYPE OF REQUEST...WILDFIRE
.TAG 2618089.0/MSO
.DELDT 07/23/26
.FORMATTERVERSION 2.0.0
.EMAIL MTDDC@FIRENET.GOV
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