909  
FNUS75 KMSO 151551  
FWSMSO  
 
SPOT FORECAST FOR ALDER DITCH  
NATIONAL WEATHER SERVICE MISSOULA MT  
951 AM MDT THU OCT 15 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON OCTOBER 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
DRY, LIGHT WINDS AND MOSTLY CLEAR CONDITIONS CAN BE  
EXPECTED THE NEXT 48 HOURS. THERE WILL BE POOR MIXING TODAY AND  
TOMORROW AS THE RIDGE OF HIGH PRESSURE STRENGTHENS. THERE WILL BE  
A MOSTLY DRY COLD FRONT THAT WILL MOVE THROUGH SATURDAY AFTERNOON,  
BRINGING AN INCREASE IN SOUTHWEST WINDS WITH GUSTS 30-40 MPH,  
AFTER THE NOON HOUR SATURDAY.  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....57-62.  
* MIN HUMIDITY........45-50 PERCENT.  
* WIND (20 FT)........SOUTHEAST AROUND 5 MPH.  
* MIXING HEIGHT.......2500 FT AGL.  
* MIXING WINDS........SOUTHEAST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR. FROST AND VALLEY FOG  
OVERNIGHT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....28-32.  
* MAX HUMIDITY........74-79 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......500 FT AGL.  
* MIXING WINDS........SOUTH 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. FROST AND VALLEY FOG IN THE  
MORNING.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....58-63.  
* MIN HUMIDITY........26-31 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......2500 FT AGL.  
* MIXING WINDS........SOUTH 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 

 
FORECASTER...ROBINSON  
REQUESTED BY...DARRELL CLAIRMONT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2623837.0/MSO  
.DELDT 10/15/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JACK.CURRIE@CSKT.ORG,NICK.MAYS@CSKT.ORG,DARRELL.CLAIRMONT@CSKT.ORG  
 
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