678
FNUS75 KMSO 240009
FWSMSO
SPOT FORECAST FOR SOUTH CALLAHAN
NATIONAL WEATHER SERVICE MISSOULA MT
609 PM MDT THU JUL 23 2026
FORECAST IS BASED ON FORECAST START TIME OF 0800 MDT ON JULY 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
NORTHWEST MONTANA WILL BE UNDER THE INFLUENCE OF
SOUTHWEST FLOW ALOFT THE NEXT SEVERAL DAYS WITH DRIER AIR MOVING
OVERHEAD FRIDAY. RH WILL TREND LOWER ON FRIDAY COMPARED TO WHAT
WAS OBSERVED THIS AFTERNOON, WITH SOUTHWEST WINDS DEVELOPING BY
MID-AFTERNOON. ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED ON
SATURDAY AS SOUTHWEST WINDS TREND HIGHER WITH A WEAK DRY COLD
FRONTAL PASSAGE.
FRIDAY
* SKY/WEATHER.........SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....81-86.
* MIN HUMIDITY........22-27 PERCENT.
* WIND (20 FT)........VARIABLE 2-4 MPH IN THE MORNING BECOMING
SOUTHWEST 5-8 MPH WITH GUSTS OF 12-18 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 6500 FT AGL IN THE
AFTERNOON.
* MIXING WINDS........SOUTHWEST 15 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....60-65.
* MAX HUMIDITY........37-42 PERCENT.
* WIND (20 FT)........SOUTHWEST 5-9 MPH SHIFTING TO THE SOUTH 3-6
MPH OVERNIGHT.
* MIXING HEIGHT.......6000 FT AGL DECREASING TO 500 FT AGL EARLY IN
THE EVENING.
* MIXING WINDS........SOUTHWEST 10 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....78-83.
* MIN HUMIDITY........23-28 PERCENT.
* WIND (20 FT)........SOUTHWEST 3-5 MPH INCREASING TO 8-12 MPH
WITH GUSTS OF 20-25 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......2500 FT AGL INCREASING TO 9000 FT AGL.
* MIXING WINDS........SOUTHWEST 15 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FORECASTER...LUKINBEAL
REQUESTED BY...LAUREN THORSTENSON
TYPE OF REQUEST...WILDFIRE
.TAG 2618086.0/MSO
.DELDT 07/23/26
.FORMATTERVERSION 2.0.0
.EMAIL NIKLAUS.NEUMANN@USDA.GOV,TONY.REBO@USDA.GOV,SM.FS.MTKDC@USDA.GOV
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