202  
FNUS75 KMSO 192129  
FWSMSO  
 
SPOT FORECAST FOR PIQUETT CREEK RX  
NATIONAL WEATHER SERVICE MISSOULA MT  
329 PM MDT SUN APR 19 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 MDT ON APRIL 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
ABNORMALLY HOT AND DRY WEATHER WILL BE IN PLACE  
THROUGH TUESDAY, WITH TEMPERATURES RUNNING 20+ DEGREES ABOVE  
NORMAL. RHS WILL BE LOWEST ON TUESDAY, LIKELY REACHING INTO THE  
LOW TEENS. LIGHT TERRAIN DRIVEN WINDS ARE ANTICIPATED MONDAY, BUT  
WILL INCREASE AND BECOME MORE SOUTHERLY BY TUESDAY. EAST ASPECTS  
WILL GENERALLY RUN 5 DEGREES COOLER THAN THE SOUTHWEST ASPECTS,  
AND NORTH ASPECTS AS MUCH AS 10 DEGREES COOLER.  
   
MONDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....73-78. EAST FACING, 68-73. NORTH FACING 63-68  
* MIN HUMIDITY........13-18 PERCENT. EAST FACING 16-21 PERCENT.  
NORTH FACING 19-24 PERCENT.  
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING SOUTHWEST 5-6 MPH  
IN THE AFTERNOON.  
* MIXING HEIGHT.......3500 FT AGL INCREASING TO 9000 FT AGL.  
* MIXING WINDS........SOUTHWEST 15 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
MONDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....43-48.  
* MAX HUMIDITY........41-46 PERCENT.  
* WIND (20 FT)........WEST AROUND 5 MPH IN THE EVENING BECOMING  
VARIABLE 2-4 MPH.  
* MIXING HEIGHT.......4000 FT AGL DECREASING TO 1000 FT AGL EARLY  
IN THE EVENING.  
* MIXING WINDS........SOUTH 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TUESDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....77-82. EAST FACING, 72-77. NORTH FACING,  
67-72.  
* MIN HUMIDITY........11-16 PERCENT. EAST FACING, 13-15 PERCENT.  
NORTH FACING, 15-20 PERCENT.  
* WIND (20 FT)........SOUTH 5-9 MPH. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 13000 FT AGL.  
* MIXING WINDS........SOUTH 15 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 

 
FORECASTER...JENNK  
REQUESTED BY...JARROD CHANDLER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2610618.0/MSO  
.DELDT 04/19/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JARROD.CHANDLER@USDA.GOV,SCOTT.WOODIN@USDA.GOV  
 
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