732  
FNUS75 KMSO 241051  
FWSMSO  
 
SPOT FORECAST FOR FIRE FIGHTER RX  
NATIONAL WEATHER SERVICE MISSOULA MT  
451 AM MDT THU MAY 24 2018  
 
FORECAST IS BASED ON IGNITION TIME OF 0500 MDT ON MAY 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
A WARM AND RELATIVELY MOIST AIRMASS WILL PROMOTE ISOLATED TO  
SCATTERED SHOWERS AND THUNDERSTORMS THURSDAY AFTERNOON. ANY  
STORMS FORMING OVER NORTHERN PART OF THE MISSION MOUNTAINS WILL  
MOVE EASTWARD NEAR THE BURN AREA. BRIEF HEAVY RAINFALL AND GUSTY  
WINDS UP TO 25 MPH WILL BE POSSIBLE IF A STORM IMPACTS THE BURNED  
AREA DIRECTLY. THE AIRMASS WILL DRY FRIDAY AFTERNOON AS HIGH  
PRESSURE BUILDS ACROSS NORTHWESTERN MONTANA, BUT AN ISOLATED  
SHOWER OR THUNDERSTORM CAN NOT BE RULED OUT.  
 
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....64-69.  
* MIN HUMIDITY........40-45 PERCENT.  
* WIND (20 FT)........SOUTHWEST 5-9 MPH WITH GUSTS UP TO 13 MPH IN  
THE AFTERNOON.  
 
* CWR (> 0.10 INCH)...30 PERCENT.  
* MIXING HEIGHT.......500 FT AGL INCREASING TO 5000 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........SOUTHWEST 13 MPH.  
* PRECIP AMOUNT.......0.08 INCHES.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....43-48.  
* MAX HUMIDITY........83-88 PERCENT.  
* WIND (20 FT)........SOUTHWEST 5-7 MPH IN THE EVENING BECOMING  
NORTHEAST AT 2-5 MPH OVERNIGHT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* MIXING HEIGHT.......5000 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
* MIXING WINDS........SOUTHWEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....69-74.  
* MIN HUMIDITY........28-33 PERCENT.  
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING SOUTHWEST 4 TO 7 MPH  
IN THE AFTERNOON.  
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
* MIXING HEIGHT.......500 FT AGL INCREASING TO 7000 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........SOUTHWEST 7 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 

 
FORECASTER...LUKINBEAL/LEACH  
 
REQUESTED BY...RJ HANNAH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1810587.0/MSO  
 
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