534  
FNUS75 KMSO 291223  
FWSMSO  
 
SPOT FORECAST FOR JOHNSON CAMP NORTH  
NATIONAL WEATHER SERVICE MISSOULA MT  
623 AM MDT SUN MAR 29 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 MDT ON MARCH 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
MOISTURE WILL BE MOVING INTO THE AREA TODAY CAUSING  
INCREASED CLOUDS WITH RAIN/SNOW BY THE AFTERNOON. TEMPERATURES  
WILL BE AROUND 10 DEGREES COOLER TODAY COMPARED TO YESTERDAY ALONG  
WITH HIGHER HUMIDITY READINGS. THE PRECIPITATION IS EXPECTED TO  
LAST THROUGHOUT THE NIGHT THE A COLD FRONT PASSING THROUGH THE  
AREA AROUND 0400 MONDAY MORNING. THIS FRONTAL PASSAGE WILL CAUSE  
AN INCREASE AND SLIGHT SHIFT IN THE WINDS. THE PRECIPITATION AND  
WINDS ARE EXPECTED TO DECREASE DURING THE DAY ON MONDAY.  
   
REST OF TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN/SNOW  
AROUND 1200, THEN SNOW AND RAIN LIKELY IN THE AFTERNOON.  
* CWR (> 0.10 INCH)...10 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....44-49.  
* MIN HUMIDITY........38-43 PERCENT.  
* WIND (20 FT)........SOUTHWEST 5-10 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
* MIXING HEIGHT.......2500 FT AGL.  
* MIXING WINDS........SOUTHWEST 15 MPH.  
* PRECIP AMOUNT.......0.03 INCHES.  
   
TONIGHT
 
 
* SKY/WEATHER.........CLOUDY. RAIN AND SNOW.  
* CWR (> 0.10 INCH)...70 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....25-30.  
* MAX HUMIDITY........78-83 PERCENT.  
* WIND (20 FT)........SOUTHWEST 5-10 MPH. GUSTS UP TO 20 MPH  
OVERNIGHT.  
* MIXING HEIGHT.......500 FT AGL.  
* MIXING WINDS........WEST 15 MPH.  
* PRECIP AMOUNT.......0.17 INCHES.  
   
MONDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING.  
* CWR (> 0.10 INCH)...10 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....31-36.  
* MIN HUMIDITY........38-43 PERCENT.  
* WIND (20 FT)........WEST 10-15 MPH GUSTS TO 30 MPH IN THE  
MORNING DECREASING TO 5-10 MPH WITH GUSTS TO 20 MPH IN THE  
AFTERNOON.  
* MIXING HEIGHT.......INCREASING TO 6500 FT AGL.  
* MIXING WINDS........WEST 25 MPH.  
* PRECIP AMOUNT.......0.01 INCHES.  
 

 
FORECASTER...SMITH  
REQUESTED BY...JOSH STROOT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2608263.1/MSO  
.DELDT 03/29/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JOSHUA.D.STROOT@USDA.GOV  
 
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