832  
FNUS75 KMSO 191621  
FWSMSO  
 
SPOT FORECAST FOR DOG LAKE  
NATIONAL WEATHER SERVICE MISSOULA MT  
1021 AM MDT MON MAY 19 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MAY 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
A WEATHER SYSTEM WILL BE MOVING INTO THE AREA OF THE  
BURN TUESDAY, THAT WILL BRING SCATTERED RAIN SHOWERS AND AN  
INCREASE IN WESTERLY WIND. WESTERLY WIND IN THE MORNING WILL BE  
AROUND 10 MPH, THEN INCREASING UP TO AROUND 15 MPH BY THE NOON  
HOUR. THERE IS A 95 PERCENT PROBABILITY FOR GUSTS REACHING 20 MPH  
AND A 60 PERCENT PROBABILITY FOR GUSTS UP TO 30 MPH BETWEEN  
1300-1800 LOCAL. THERE IS A 20 PERCENT PROBABILITY FOR A WETTING  
RAIN TUESDAY AS WELL. WEDNESDAY WILL BE THE WARMEST AND DRIEST  
DAY OF THE WEEK, WITH SOUTHWEST WINDS BETWEEN 10-15 MPH AND MINRH  
VALUES LOWERING INTO THE LOW 30S.  
   
TUESDAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN.  
* CWR (> 0.10 INCH)...20 PERCENT.  
* CHANCE LIGHTNING....UP TO 10 PERCENT.  
* MAX TEMPERATURE.....45-50.  
* MIN HUMIDITY........45-50 PERCENT.  
* WIND (20 FT)........WEST 12-17 MPH WITH GUSTS TO AROUND 30 MPH,  
STARTING AROUND 1300 LOCAL.  
* MIXING HEIGHT.......5500 FT AGL.  
* MIXING WINDS........WEST 20 MPH.  
* PRECIP AMOUNT.......0.05 INCHES.  
   
TUESDAY NIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....33-38.  
* MAX HUMIDITY........68-73 PERCENT.  
* WIND (20 FT)........SOUTHWEST 10-20 MPH.  
* MIXING HEIGHT.......3000 FT AGL DECREASING TO LESS THAN 100 FT  
AGL EARLY IN THE EVENING.  
* MIXING WINDS........WEST 15 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
WEDNESDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....51-56.  
* MIN HUMIDITY........31-36 PERCENT.  
* WIND (20 FT)........SOUTHWEST 10-14 MPH.  
* MIXING HEIGHT.......2000 FT AGL INCREASING TO 8500 FT AGL.  
* MIXING WINDS........WEST 15 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 
 
FORECASTER...ROBINSON  
REQUESTED BY...ART TRAHAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2514266.0/MSO  
.DELDT 05/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JACK.CURRIE@CSKT.ORG  
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