147  
FNUS75 KBYZ 230124  
FWSBYZ  
 
SPOT FORECAST FOR FOUR DANCES...BLM  
NATIONAL WEATHER SERVICE BILLINGS MT  
724 PM MDT WED JUL 22 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1900 MDT ON JULY 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
THERE IS ABOUT A 40% FOR SHOWERS THROUGH MIDNIGHT TONIGHT WITH ONLY  
A 10% CHANCE FOR A THUNDERSTORM. ISOLATED SHOWERS AND THUNDERSTORMS  
ARE POSSIBLE THURSDAY WITH GUSTY WINDS POSSIBLE UNDER ANY STRONG  
THUNDERSTORM.  
   
REST OF TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED LIGHT SHOWERS ARE EXPECTED  
OVER THE NEXT FEW HOURS.  
CWR.................10 PERCENT.  
CHANCE OF LIGHTNING.10 PERCENT.  
MIN TEMPERATURE.....64-68.  
MAX HUMIDITY........74-78 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 8 MPH, GUSTING TO 20 MPH  
THROUGH MIDNIGHT.  
RIDGETOP...........SOUTHWEST AROUND 5 TO 10 MPH  
MIXING HEIGHT.......5400 FT AGL THIS EVENING DECREASING TO  
500 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH.  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THROUGH THE DAY.  
CWR.................5 PERCENT.  
CHANCE OF LIGHTNING.15 PERCENT.  
MAX TEMPERATURE.....92-96.  
MIN HUMIDITY........26-30 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH IN THE MORNING BECOMING  
LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS.  
RIDGETOP...........WEST BECOMING SOUTHWEST AROUND 5 MPH.  
MIXING HEIGHT.......INCREASING TO 8600 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST AROUND 7 MPH.  
 
 
FORECASTER...STETZER  
REQUESTED BY...KEVIN ZIMMER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2618012.0/BYZ  
.DELDT 07/22/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MTBDC@FIRENET.GOV  
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