086  
FNUS75 KBYZ 262153  
FWSBYZ  
 
SPOT FORECAST FOR EAST SIDE FIRE...CARBON COUNTY  
NATIONAL WEATHER SERVICE BILLINGS MT  
353 PM MDT SUN APR 26 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON APRIL 27.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
LOOK FOR ANOTHER COOL AND UNSETTLED DAY OVER THE FIRE ON MONDAY.  
LIGHT SNOW IS EXPECTED OVER THE FIRE SITE THROUGH MUCH OF THE DAY,  
BECOMING MORE SNOW SHOWER IN NATURE IN THE AFTERNOON. THE  
PRECIPITATION SHOULD DIMINISH MONDAY EVENING. TOTAL ADDIITONAL  
SNOWFALL MONDAY THRU MONDAY EVENING IS EXPECTED TO BE 2-4  
INCHES...AND ABOUT 0.13-0.22 OF WATER EQUIVALENT. RELATIVELY WEAK  
WINDS ARE EXPECTED MONDAY WITH NORTHEASTERLY FLOW THROUGH THE LOWER  
VALLEY AND SOUTHWEST AT RIDGETOP.  
 
TUESDAY SHOULD BE SOMEWHAT WARMER WITH MAINLY AFTERNOON SCATTERED  
SNOW SHOWERS. WINDS LOOK TO BE MORE WESTERLY, BUT STILL  
RELATIVELY LIGHT. BT  
 
   
MONDAY
 
 
SKY/WEATHER.........CLOUDY. SNOW LIKELY IN THE MORNING, THEN SNOW  
IN THE AFTERNOON.  
CWR.................58 PERCENT.  
MAX TEMPERATURE.....27-31.  
MIN HUMIDITY........67-76 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 10 MPH.  
RIDGETOP...........SOUTHWEST AROUND 10-15 MPH.  
MIXING HEIGHT.......100 FT AGL EARLY IN THE MORNING INCREASING TO  
1500 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTH AROUND 8 MPH.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS LIKELY IN THE  
EVENING, THEN SLIGHT CHANCE OF SNOW SHOWERS  
OVERNIGHT.  
CWR.................26 PERCENT.  
MIN TEMPERATURE.....21-25.  
MAX HUMIDITY........73-82 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS UP TO 7 MPH IN THE EVENING BECOMING  
LIGHT.  
RIDGETOP...........WEST AROUND 10-15 MPH.  
MIXING HEIGHT.......1000 FT AGL EARLY IN THE EVENING DECREASING TO  
0 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....NORTHWEST AROUND 6 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF SNOW SHOWERS IN THE MORNING, THEN  
SNOW SHOWERS LIKELY IN THE AFTERNOON.  
CWR.................26 PERCENT.  
MAX TEMPERATURE.....35-39.  
MIN HUMIDITY........56-60 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS UP TO 6 MPH.  
RIDGETOP...........NORTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......0 FT AGL EARLY IN THE MORNING INCREASING TO  
5000 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
 

 
FORECASTER...TESAR  
REQUESTED BY...BILLINGS DISPATCH  
TYPE OF REQUEST...WILDFIRE  
.TAG 2611038.7/BYZ  
.DELDT 04/26/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MTBDC@FIRENET.GOV  
 
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