049  
FNUS75 KMSO 181437  
FWSMSO  
 
SPOT FORECAST FOR GREEN BREEN B-01  
NATIONAL WEATHER SERVICE MISSOULA MT  
837 AM MDT FRI SEP 18 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON SEPTEMBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
THERE IS ONLY A SLIGHT CHANCE OF PRECIPITATION THIS  
AFTERNOON INTO SATURDAY WITH WETTING RAIN CHANCES AT LESS THAN 10  
PERCENT. OVERALL, THE MEAN RAINFALL THROUGH SATURDAY IS ONLY 0.00  
TO 0.03" WITH A VERY SLIGHT CHANCE (LESS THAN 10 PERCENT) OF 0.15"  
IF A HEAVIER SHOWER/THUNDERSTORM WENT OVER THE LOCATION.  
 
OTHERWISE, IT LOOKS MILD AND DRY WITH LIGHT WINDS.  
   
REST OF TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON.  
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
* CHANCE LIGHTNING....15 PERCENT.  
* MAX TEMPERATURE.....62-67.  
* MIN HUMIDITY........39-44 PERCENT.  
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING NORTHWEST 5-7 MPH  
IN THE AFTERNOON. OCCASIONAL GUSTS TO 12 MPH  
IN THE AFTERNOON.  
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 4500 FT AGL IN  
THE AFTERNOON.  
* MIXING WINDS........NORTHWEST 5 MPH.  
* PRECIP AMOUNT.......0.00-0.15 INCHES.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF EVENING  
SHOWERS.  
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....45-50.  
* MAX HUMIDITY........65-70 PERCENT.  
* WIND (20 FT)........NORTH 5-7 MPH SHIFTING TO THE NORTHEAST 5-6  
MPH OVERNIGHT.  
* MIXING HEIGHT.......500 FT AGL.  
* MIXING WINDS........NORTHWEST 5 MPH.  
* PRECIP AMOUNT.......0.00-0.05 INCHES.  
   
SATURDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF A LIGHT  
SHOWER.  
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....63-68.  
* MIN HUMIDITY........39-44 PERCENT.  
* WIND (20 FT)........VARIABLE 3-6 MPH. OCCASIONAL GUSTS TO 12 MPH  
IN THE AFTERNOON.  
* MIXING HEIGHT.......2500 FT AGL INCREASING TO 4500 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........EAST 5 MPH.  
* PRECIP AMOUNT.......0.00-0.03 INCHES.  
 
 
FORECASTER...BOOTH  
REQUESTED BY...AARON MCCOWN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2622118.0/MSO  
.DELDT 09/18/26  
.FORMATTERVERSION 2.0.0  
.EMAIL AARON.MCCOWN@USDA.GOV,DANIEL.CAMPBELL@USDA.GOV,JOHN.DIGIANDO@USDA.GOV,AMCCO220@GMAIL.COM  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab MT Page
The Nexlab ID Page
Main Text Page