376  
FNUS75 KMSO 260912  
FWSMSO  
 
SPOT FORECAST FOR BLACKFOOT TREX  
NATIONAL WEATHER SERVICE MISSOULA MT  
312 AM MDT SUN APR 26 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 MDT ON APRIL 26.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
COOL CONDITIONS WILL CONTINUE INTO EARLY NEXT WEEK  
AS A BROAD TROUGH OF LOW PRESSURE REMAINS OVER THE REGION. A  
PERIOD OF EAST WINDS WILL DEVELOP THIS MORNING, LASTING THROUGH  
TONIGHT. SHOWERS WILL INCREASE IN COVERAGE OVER THE AREA BY THIS  
AFTERNOON, BUT WETTING RAINS ARE NOT ANTICIPATED. SIMILAR  
CONDITIONS ARE ANTICIPATED FOR MONDAY, THOUGH WINDS WILL TREND  
MORE NORTHWESTERLY AND TEMPERATURES WILL BE A FEW DEGREES WARMER.  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS  
IN THE MORNING, CHANCE OF SNOW SHOWERS IN THE AFTERNOON.  
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
* CHANCE LIGHTNING....UP TO 10 PERCENT.  
* MAX TEMPERATURE.....42-47.  
* MIN HUMIDITY........45-50 PERCENT.  
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING EAST 5-6 MPH IN  
THE AFTERNOON WITH GUSTS TO 15 MPH..  
* MIXING HEIGHT.......3500 FT AGL INCREASING TO 5500 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........EAST 10 MPH.  
* PRECIP AMOUNT.......0.00-0.04 INCHES.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING. SOME FROST AND PATCHY FOG OVERNIGHT.  
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....17-22.  
* MAX HUMIDITY........90-95 PERCENT.  
* WIND (20 FT)........EAST 5-6 MPH WITH GUSTS TO 20 MPH IN THE  
EVENING BECOMING VARIABLE 2-4 MPH.  
* MIXING HEIGHT.......1500 FT AGL DECREASING TO 1000 FT AGL  
OVERNIGHT.  
* MIXING WINDS........EAST 10 MPH.  
* PRECIP AMOUNT.......0.00-0.03 INCHES.  
   
MONDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY. SOME FROST AND PATCHY FOG IN  
THE MORNING. CHANCE OF RAIN AND SNOW IN THE AFTERNOON.  
* CWR (> 0.10 INCH)...10 PERCENT.  
* CHANCE LIGHTNING....UP TO 10 PERCENT.  
* MAX TEMPERATURE.....47-52.  
* MIN HUMIDITY........36-41 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH BECOMING NORTHWEST 3-5 MPH  
WITH GUSTS TO 12 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3500 FT AGL INCREASING TO 7000 FT AGL LATE IN  
THE MORNING.  
* MIXING WINDS........SOUTHWEST 5 MPH.  
* PRECIP AMOUNT.......0.00-0.05 INCHES.  
 
 
FORECASTER...JENNK  
REQUESTED BY...M. JACOB  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2610491.9/MSO  
.DELDT 04/26/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MARTIN.JACOB@USDA.GOV  
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