226
FNUS75 KMSO 171713
FWSMSO
SPOT FORECAST FOR ALDER DITCH
NATIONAL WEATHER SERVICE MISSOULA MT
1113 AM MDT THU SEP 17 2026
FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
PARTLY CLOUDY AND MOSTLY DRY CONDITIONS EXCEPT FOR
SHOWER AND THUNDERSTORM CHANCES THIS AFTERNOON, THROUGH THE
EVENING AND INTO THE OVERNIGHT. VERY LOW CHANCE FOR A DIRECT
IMPACT FROM SPONGER SHOWER OR THUNDERSTORM COULD PRODUCE BRIEF
ISOLATED WETTING RAIN AND ERRATIC OUTFLOW GUSTS OF 35-45 MPH. MORE
CLOUDS FOR FRIDAY WITH BETTER CHANCES FOR STORM COVERAGE ACROSS
THE NEARBY AREA, BUT STILL VERY LOW CHANCES FOR DIRECT IMPACT
BRINGING GUSTY OUTFLOW AND WETTING RAINS. DRYING INTO THE WEEKEND.
REST OF TODAY
* SKY/WEATHER.........PARTLY CLOUDY, SLIGHT CHANCE FOR A SHOWER
OR THUNDERSTORM LATE.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....LESS THAN 10 PERCENT.
* MAX TEMPERATURE.....71-76.
* MIN HUMIDITY........30-35 PERCENT.
* WIND (20 FT)........UPSLOPE/EAST 2-5 MPH WITH GUSTS TO 10 MPH.
* MIXING HEIGHT.......3000 FT AGL.
* MIXING WINDS........SOUTH 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND
THUNDERSTORMS IN THE EVENING.
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
* CHANCE LIGHTNING....10 PERCENT.
* MIN TEMPERATURE.....48-53.
* MAX HUMIDITY........67-72 PERCENT.
* WIND (20 FT)........VARIABLE/DOWNSLOPE 1-3 MPH.
* MIXING HEIGHT.......DECREASING TO 500 FT AGL.
* MIXING WINDS........SOUTHWEST 5 MPH.
* PRECIP AMOUNT.......0.00-0.03 INCHES.
FRIDAY
* SKY/WEATHER.........PARTLY TO MOSTLY CLOUDY, CHANCE FOR RAIN
AND THUNDERSTORMS IN THE AFTERNOON.
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
* CHANCE LIGHTNING....40 PERCENT.
* MAX TEMPERATURE.....70-75.
* MIN HUMIDITY........37-42 PERCENT.
* WIND (20 FT)........VARIABLE/DOWNSLOPE 1-3 MPH BECOMING
VARIABLE/UPSLOPE 2-6 MPH WITH GUSTS TO 10 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......INCREASING TO 5500 FT AGL IN THE AFTERNOON.
* MIXING WINDS........SOUTH 5 MPH.
* PRECIP AMOUNT.......0.00-0.03 INCHES.
FORECASTER...PARKER
REQUESTED BY...ART TRAHAN
TYPE OF REQUEST...PRESCRIBED
.TAG 2622074.0/MSO
.DELDT 09/17/26
.FORMATTERVERSION 2.0.0
.EMAIL JACK.CURRIE@CSKT.ORG,NICK.MAYS@CSKT.ORG,ART.TRAHAN@CSKT.ORG
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