481  
FNUS75 KBYZ 160343  
FWSBYZ  
 
SPOT FORECAST FOR BIG HORN...MT-CRA  
NATIONAL WEATHER SERVICE BILLINGS MT  
943 PM MDT WED JUL 15 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 2200 MDT ON JULY 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
SHOWERS WILL BE COMING TO AN END OVER THE NEXT COUPLE HOURS WITH  
REMAINING PRECIPITATION EXPECTED TO BE LIGHT (LESS THAN A QUARTER  
INCH). WINDS WILL REMAIN LIGHT TONIGHT AND THURSDAY OUTSIDE OF ANY  
THUNDERSTORMS THAT FORM LATE AFTERNOON. WITH THE SCATTERED SHOWERS  
AND THUNDERSTORMS THURSDAY AFTERNOON, HEAVY RAIN IS CURRENTLY THE  
MAIN THREAT. THE MOST LIKELY TIMING FOR THESE SHOWERS AND THUNDERSTORMS  
WILL BE 1500 MDT THROUGH 2200 MDT.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLOUDY THEN BECOMING PARTLY CLOUDY. SLIGHT CHANCE  
OF SHOWERS LATE IN THE EVENING.  
CWR.................20 PERCENT.  
CHANCE OF LIGHTNING.10 PERCENT.  
MIN TEMPERATURE.....61-65.  
MAX HUMIDITY........91-95 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT AND VARIABLE WINDS UP TO 6 MPH.  
RIDGETOP...........SOUTHWEST AROUND 6 MPH.  
MIXING HEIGHT.......DECREASING TO 500 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....NORTH AROUND 7 MPH.  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY. SLIGHT CHANCE OF SHOWER AND THUNDERSTORMS  
LATE AFTERNOON.  
CWR.................15 PERCENT.  
CHANCE OF LIGHTNING.15 PERCENT.  
MAX TEMPERATURE.....91-95.  
MIN HUMIDITY........38-42 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING NORTHEAST 5 TO 6 MPH IN  
THE AFTERNOON. GUSTY AND ERRATIC WIND GUSTS ARE  
POSSIBLE NEAR ANY THUNDERSTORMS.  
RIDGETOP...........EAST AROUND 5 MPH.  
MIXING HEIGHT.......INCREASING TO 6900 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST BECOMING EAST AROUND 7 MPH.  
 

 
FORECASTER...STETZER  
REQUESTED BY...INCIDENT COMMANDER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2617450.0/BYZ  
.DELDT 07/15/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MTBDC@FIRENET.GOV  
 
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