651  
FNUS75 KBYZ 271235  
FWSBYZ  
 
SPOT FORECAST FOR EAST SIDE FIRE...CARBON COUNTY  
NATIONAL WEATHER SERVICE BILLINGS MT  
635 AM MDT MON APR 27 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  
 
SNOW CHANCES (50-80%) WILL PERSIST THROUGHOUT THE DAY TODAY. AN  
EXTRA INCH OR TWO OF SNOW IS EXPECTED. CHANCES FOR SNOW DECREASE  
TONIGHT. RELATIVE HUMIDITY VALUES WILL DECREASE OVERNIGHT. WINDS  
WILL BE LIGHT THROUGHOUT THE PERIOD. PRECIPITATION CHANCES (50%)  
RETURN TUESDAY THOUGH THE CHANCE FOR A WETTING RAIN IS LOW.  
TORGERSON  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY WITH SNOW.  
CWR.................57 PERCENT.  
CHANCE OF LIGHTNING.12 PERCENT.  
MAX TEMPERATURE.....25-29.  
MIN HUMIDITY........70-74 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 7 MPH.  
RIDGETOP...........SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......INCREASING TO 1800 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY BECOMING PARTLY CLOUDY.  
CHANCE OF SNOW EARLY IN THE EVENING.  
CWR.................26 PERCENT.  
CHANCE OF LIGHTNING.5 PERCENT.  
MIN TEMPERATURE.....21-25.  
MAX HUMIDITY........74-78 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 7 MPH.  
RIDGETOP...........NORTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......DECREASING TO 100 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY BECOMING PARTLY CLOUDY.  
CHANCE OF SNOW.  
CWR.................16 PERCENT.  
CHANCE OF LIGHTNING.13 PERCENT.  
MAX TEMPERATURE.....37-41.  
MIN HUMIDITY........54-58 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS AROUND 5 MPH.  
RIDGETOP...........NORTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......INCREASING TO 4500 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
 
 
FORECASTER...TORGERSON  
REQUESTED BY...BILLINGS DISPATCH  
TYPE OF REQUEST...WILDFIRE  
.TAG 2611038.8/BYZ  
.DELDT 04/27/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CALLEN@CARBONMT.GOV,MTBDC@FIRENET.GOV,DREW.GRIMES@USDA.GOV,TKOHLEY@CARBONMT.GOV  
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