542  
FNUS75 KMSO 011445  
FWSMSO  
 
SPOT FORECAST FOR PINO UNIT 1  
NATIONAL WEATHER SERVICE MISSOULA MT  
845 AM MDT THU OCT 1 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON OCTOBER 01.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
A LOW AMPLITUDE RIDGE OF HIGH PRESSURE WILL BE  
BUILDING OVER THE REGION THE NEXT COUPLE OF DAYS. MID TO HIGH  
LEVEL CLOUDS WILL CONTINUE TO STREAM OVER THE REGION FOR THE NEXT  
24 HOURS. A WARMING AND DRYING TREND IS EXPECTED WITH GENERALLY  
LIGHT AND VARIABLE WINDS.  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY BECOMING PARTLY CLOUDY IN THE  
AFTERNOON.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....66-71.  
* MIN HUMIDITY........36-41 PERCENT.  
* WIND (20 FT)........VARIABLE 3-8 MPH.  
* MIXING HEIGHT.......INCREASING TO 4000 FT AGL LATE IN THE  
AFTERNOON.  
* MIXING WINDS........SOUTH 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....44-49.  
* MAX HUMIDITY........75-80 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......500 FT AGL.  
* MIXING WINDS........SOUTHEAST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....70-75.  
* MIN HUMIDITY........33-38 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH BECOMING SOUTHWEST 5-10  
MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......INCREASING TO 4500 FT AGL IN THE AFTERNOON.  
* MIXING WINDS........SOUTHWEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 

 
FORECASTER...SMITH  
REQUESTED BY...CHAD BORG  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2622916.0/MSO  
.DELDT 10/01/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CHAD.BORG@USDA.GOV  
 
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