801  
FNUS75 KMSO 262351  
FWSMSO  
 
SPOT FORECAST FOR SPRING GULCH  
NATIONAL WEATHER SERVICE MISSOULA MT  
551 PM MDT WED AUG 26 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 MDT ON AUGUST 26.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
LEFT OVER OUTFLOW BOUNDARIES WILL MAKE WIND  
DIRECTION A BIT CHAOTIC THROUGH MID EVENING. THERE IS STILL A  
SLIGHT CHANCE OF ADDITIONAL SHOWERS AND THUNDERSTORMS POPPING UP  
THROUGH ABOUT 9PM WITH OUTFLOW GUSTS TO 30-40 MPH NEAR ANY  
THUNDERSTORMS. THEN A SHIFT TO A SOUTHEAST TO EAST WIND FOR THE  
REMAINDER OF THE NIGHT AND ONLY MODEST RH RECOVERY.  
 
A FEW LIGHT MORNING SHOWERS ARE POSSIBLE ON THURSDAY THEN A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WETTING RAIN  
CHANCES ARE LOW BUT OUTFLOW WINDS WILL CONTINUE TO BE A CONCERN.  
OTHERWISE, BACKGROUND WINDS WILL BE SOUTHEAST IN THE MORNING, THEN  
GUSTY FROM THE SOUTHWEST IN THE AFTERNOON. DAYTIME TEMPERATURES  
AND MIN RH WILL BE SIMILAR TO TODAY (WEDNESDAY).  
 
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
* CHANCE LIGHTNING....UP TO 10 PERCENT.  
* MIN TEMPERATURE.....54-59.  
* MAX HUMIDITY........52-57 PERCENT.  
* WIND (20 FT)........SOUTHEAST 5-10 MPH SHIFTING TO THE EAST 8-12  
MPH OVERNIGHT.  
   
THURSDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS ALL  
DAY AND THUNDERSTORMS IN THE AFTERNOON.  
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
* CHANCE LIGHTNING....20 PERCENT.  
* MAX TEMPERATURE.....74-79.  
* MIN HUMIDITY........30-35 PERCENT.  
* WIND (20 FT)........SOUTHEAST 5-8 MPH SHIFTING TO THE SOUTHWEST  
6-10 MPH WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.  
 

 
FORECASTER...BOOTH  
REQUESTED BY...INCIDENT COMMANDER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2620642.0/MSO  
.DELDT 08/26/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MTMDC@FIRENET.GOV,THEODEN.M.JOHNSON@USDA.GOV  
 
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