296  
FNUS75 KBYZ 080917  
FWSBYZ  
 
SPOT FORECAST FOR EAST SIDE FIRE...CARBON COUNTY MT  
NATIONAL WEATHER SERVICE BILLINGS MT  
317 AM MDT FRI MAY 8 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON MAY 08.  
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 A WARM DAY AHEAD WITH RELATIVELY LIGHT WINDS. A WEATHER  
DISTURBANCE ALOFT WILL MOVE ACROSS THE REGION TONIGHT INTO  
SATURDAY. HOWEVER THE BEST CHANCE OF RAINFALL WILL REMAIN MAINLY  
EAST OVER THE PLAINS ON SATURDAY. SNOW LEVELS MAY DROP AS LOW AS  
7600 FT BY SUNRISE SATURDAY BEFORE CLIMBING AGAIN DURING THE DAY.  
LITTLE IF ANY SNOWFALL ACCUMULATION IS EXPECTED. LOOK FOR GUSTY  
NORTHWEST WINDS TO PREVAIL SATURDAY. HUMIDITY READINGS WILL REMAIN  
ABOVE 30% THROUGH SATURDAY. BT  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....54-61.  
MIN HUMIDITY........33-39 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS 5-10 MPH.  
RIDGETOP...........WEST AROUND 10-15 MPH.  
MIXING HEIGHT.......500 FT AGL EARLY IN THE MORNING INCREASING TO  
6300 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....WEST AROUND 11 MPH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS  
OVERNIGHT.  
CWR.................11 PERCENT.  
CHANCE OF LIGHTNING.4 PERCENT.  
MIN TEMPERATURE.....42-46.  
MAX HUMIDITY........52-56 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 6 MPH OVERNIGHT.  
RIDGETOP...........NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......3900 FT AGL EARLY IN THE EVENING DECREASING TO  
500 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....NORTHWEST AROUND 12 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SNOW SHOWERS IN  
THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS  
THROUGH THE DAY.  
CWR.................4 PERCENT.  
CHANCE OF LIGHTNING.9 PERCENT.  
MAX TEMPERATURE.....50-54.  
MIN HUMIDITY........34-38 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS 6 TO 14 MPH WITH GUSTS TO  
AROUND 30 MPH.  
RIDGETOP...........NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......500 FT AGL EARLY IN THE MORNING INCREASING TO  
7900 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST AROUND 18 MPH.  
 

 
FORECASTER...TESAR  
REQUESTED BY...BILLINGS DISPATCH  
TYPE OF REQUEST...WILDFIRE  
.TAG 2611877.10/BYZ  
.DELDT 05/08/26  
.FORMATTERVERSION 2.0.0  
.EMAIL DOUGLAS.ZIMMER@USDA.GOV,MTBDC@FIRENET.GOV,CALLEN@CARBONMT.GOV  
 
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