927
FNUS75 KMSO 202332
FWSMSO
SPOT FORECAST FOR MILE MARKER 91
NATIONAL WEATHER SERVICE MISSOULA MT
532 PM MDT WED AUG 20 2025
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
FORECAST SEPARATED INTO BOTTOM (~2500 FT MSL) AND
TOP (~4500 FT MSL) FOR RELEVANT VARIABLES. MOSTLY SUNNY AND DRY
NEXT SEVERAL DAYS. NIGHTTIME INVERSIONS/THERMAL BELT WILL BE
PRESENT, INVERSION TOP NEAR 4500 FT MSL. SHIFT OF WINDS LATE
THURSDAY EVENING INTO OVERNIGHT TO EAST-NORTHEASTERLIES LASTING
THROUGH FRIDAY.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....BOTTOM: 85-90, TOP: 77-82.
* MIN HUMIDITY........BOTTOM: 12-17 PERCENT, TOP: 19-24 PERCENT.
* WIND (20 FT)........VARIABLE/WEST 2-4 MPH WITH GUSTS UP TO 10
MPH IN THE MORNING BECOMING NORTHWEST 3-6 MPH WITH GUSTS UP TO
15 MPH IN THE AFTERNOON. SHIFT OF WINDS TO EAST-NORTHEAST 2-5
MPH WITH GUSTS UP TO 10 MPH LATE IN THE EVENING AND OVERNIGHT.
* MIXING HEIGHT.......BOTTOM: NEAR 2000 FT AGL IN THE MORNING
INCREASING TO NEAR 9500 FT AGL IN THE AFTERNOON, TOP: LESS THAN
100 FT AGL IN THE MORNING INCREASING TO NEAR 7500 FT AGL IN THE
AFTERNOON.
* MIXING WINDS........WEST-NORTHWEST 5 MPH BECOMING EAST 5 MPH
LATE IN THE EVENING AND OVERNIGHT.
* PRECIP AMOUNT.......0.00 INCHES.
THURSDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....BOTTOM: 54-59, TOP: 56-61.
* MAX HUMIDITY........BOTTOM: 37-42 PERCENT, TOP: 36-41 PERCENT.
* WIND (20 FT)........NORTHEAST 2-6 MPH WITH GUSTS UP TO 15 MPH.
* MIXING HEIGHT.......BOTTOM: DECREASING TO NEAR 2000 FT AGL
OVERNIGHT, TOP: DECREASING TO LESS THAN 100 FT AGL OVERNIGHT.
* MIXING WINDS........NORTHEAST 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....BOTTOM: 88-93, TOP: 76-81.
* MIN HUMIDITY........BOTTOM: 15-20 PERCENT, TOP: 20-25 PERCENT.
* WIND (20 FT)........NORTHEAST 2-6 MPH WITH GUSTS UP TO 15 MPH IN
THE MORNING BECOMING 3-8 MPH WITH GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......BOTTOM: INCREASING TO NEAR 8000 FT AGL IN
THE AFTERNOON, TOP: INCREASING TO NEAR 6000FT AGL IN THE
AFTERNOON.
* MIXING WINDS........NORTHEAST 8 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FORECASTER...PARKER/KITSMILLER
REQUESTED BY...ART TRAHAN
TYPE OF REQUEST...WILDFIRE
.TAG 2520183.2/MSO
.DELDT 08/20/25
.FORMATTERVERSION 2.0.0
.EMAIL JACK.CURRIE@CSKT.ORG
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