160
FNUS75 KMSO 202113
FWSMSO
SPOT FORECAST FOR KNOWLES
NATIONAL WEATHER SERVICE MISSOULA MT
313 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
DRY AND WEAK COLD FRONTAL PASSAGE WITH GUSTY WEST-NORTHWEST
WINDS WEDNESDAY AFTERNOON AND EVENING UP TO 25 MPH. 80S NEAR 90S FOR
TEMPS AND MIN RHS INTO THE UPPER TEENS AND LOW 20S AT ALL FIRE
ELEVATIONS.
FORECAST SPILT INTO TOP: 5,400 FT MSL, AND BOTTOM:
2,500 FT MSL BASED ON SATELLITE IDENTIFIED HOTSPOTS AND
PERIMETER. VALLEY INVERSION AND OVERNIGHT THERMAL BELTS LIKELY WITH
POORER RH AND WARMER TEMPERATURES AT THE UPPER ELEVATIONS. DRY AND
HOT FORECAST NEXT COUPLE OF DAYS WITH PATCHY SMOKE AT TIMES.
SHIFT OF WINDS THURSDAY EVENING AND OVERNIGHT AROUND AND AFTER
1900 MDT TO EASTERLIES. WINDS FRIDAY AFTERNOON WILL LIKELY BE
EAST-NORTHEAST 5-10 MPH WITH GUSTS UP TO 20 MPH.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....BOTTOM: 84-89, TOP: 75-80.
* MIN HUMIDITY........BOTTOM: 12-17 PERCENT, TOP: 21-26 PERCENT.
* WIND (20 FT)........BOTTOM: DOWNSLOPE/DOWNVALLEY 2-5 MPH WITH
GUSTS UP TO 10 MPH IN THE MORNING BECOMING WEST-NORTHWEST 3-6
MPH WITH GUSTS UP TO 15 MPH IN THE AFTERNOON, TOP: WEST-
SOUTHWEST 2-6 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 AROUND AND AFTER
1900 MDT.
* MIXING HEIGHT.......BOTTOM: NEAR 1500 FT AGL IN THE MORNING
INCREASING TO NEAR 9000 FT AGL IN THE AFTERNOON, TOP: NEAR 3500
FT AGL IN THE MORNING INCREASING TO NEAR 6000 FT AGL IN THE
AFTERNOON.
* MIXING WINDS........WEST 7 MPH BECOMING EAST-NORTHEAST 5 MPH
LATE IN THE EVENING.
* PRECIP AMOUNT.......0.00 INCHES.
THURSDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....BOTTOM: 52-57, TOP: 56-61.
* MAX HUMIDITY........BOTTOM: 34-39 PERCENT, TOP: 31-36 PERCENT.
* WIND (20 FT)........BOTTOM: EAST 2-6 MPH WITH GUSTS UP TO 10
MPH, TOP: NORTHEAST 3-6 MPH WITH GUSTS UP TO 15 MPH.
* MIXING HEIGHT.......DECREASING TO NEAR 1500 FT AGL OVERNIGHT.
* MIXING WINDS........EAST 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FRIDAY
* SKY/WEATHER.........SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....BOTTOM: 86-91, TOP: 72-77.
* MIN HUMIDITY........BOTTOM: 15-20 PERCENT, TOP: 22-27 PERCENT.
* WIND (20 FT)........EAST 2-6 MPH WITH GUSTS UP TO 15 MPH IN THE
MORNING BECOMING NORTHEAST 5-10 MPH WITH GUSTS UP TO 20 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.......BOTTOM: INCREASING TO 7500 FT AGL IN THE
AFTERNOON, TOP: INCREASING TO 4500 FT AGL IN THE AFTERNOON.
* MIXING WINDS........NORTHEAST 8 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FORECASTER...PARKER/KITSMILLER
REQUESTED BY...ERIN RYAN
TYPE OF REQUEST...WILDFIRE
.TAG 2520187.2/MSO
.DELDT 08/20/25
.FORMATTERVERSION 2.0.0
.EMAIL 2025.KNOWLES.PLANS@FIRENET.GOV,ERIN_RYAN@FIRENET.GOV
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