497  
FNUS75 KBYZ 261019  
FWSBYZ  
 
SPOT FORECAST FOR BATTLE RIDGE FIRE...USFS  
NATIONAL WEATHER SERVICE BILLINGS MT  
419 AM MDT WED AUG 26 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0800 MDT ON AUGUST 26.  
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 VARIABLE CLOUDINESS OVER THE FIRE SITE TODAY, INCREASING  
TOWARD EVENING. THERE IS A SLIGHT CHANCE OF A SHOWER OR  
THUNDERSHOWER AFTER 430 PM. LIGHT SOUTHERLY WINDS THIS MORNING  
BECOME A BIT GUSTY FROM THE WEST IN THE AFTERNOON. GUSTS TO 40 MPH  
ARE POSSIBLE NEAR SHOWERS. THREAT OF SHOWERS/THUNDERSTORM  
CONTINUE TO ABOUT 9 PM THIS EVENING. R RH RECOVERY OVERNIGHT INTO  
THURSDAY IS EXPECTED TO BE ABOVE 45%.  
 
FOR THURSDAY, LOOK FOR WARMER TEMPS AND SOUTHWEST WINDS, AGAIN  
BECOMING GUSTY IN THE AFTERNOON. THERE IS A LITTLE HIGHER RISK OF  
STRONG WINDS WITH SHOWERS/STORMS LATE THURSDAY INTO THE EVENING  
AS A DISTURBANCE MOVES ACROSS THE REGION. BT  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. CHANCE OF RAIN SHOWERS/THUNDERSTORM IN THE  
AFTERNOON AFTER 430 PM.  
CWR.................5 PERCENT.  
CHANCE OF LIGHTNING.12 PERCENT.  
MAX TEMPERATURE.....80-84.  
MIN HUMIDITY........21-25 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT SOUTH/SOUTHWEST WINDS THIS MORNING UNDER 10 MPH, BECOMING  
WEST IN THE AFTERNOON 6-10 MPH GUSTS UP TO 17 MPH. ERRATIC WIND  
NEAR SHOWERS.  
RIDGETOP...........WEST AROUND 10-20 MPH.  
MIXING HEIGHT.......400 FT AGL EARLY IN THE MORNING INCREASING TO  
9500 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF RAIN SHOWERS/THUNDERSTORM IN THE EVENING.  
CWR.................14 PERCENT.  
CHANCE OF LIGHTNING.21 PERCENT.  
MIN TEMPERATURE.....54-58.  
MAX HUMIDITY........50-56 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......4400 FT AGL EARLY IN THE EVENING DECREASING TO  
500 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 7 MPH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
CWR.................16 PERCENT.  
CHANCE OF LIGHTNING.26 PERCENT.  
MAX TEMPERATURE.....81-85.  
MIN HUMIDITY........22-26 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT SOUTHWEST WINDS UNDER 10 MPH, WITH GUSTS  
IN THE AFTERNOON 15-20 MPH. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
IN THE AFTERNOON.  
RIDGETOP...........SOUTHWEST AROUND 15-20 MPH.  
MIXING HEIGHT.......400 FT AGL EARLY IN THE MORNING INCREASING TO  
8400 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST AROUND 11 MPH.  
 

 
FORECASTER...TESAR  
REQUESTED BY...JOSHUA FOSTER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2620275.3/BYZ  
.DELDT 08/26/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JOSHUA.FOSTER@USDA.GOV  
 
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