735  
FNUS75 KBYZ 021529  
FWSBYZ  
 
SPOT FORECAST FOR ESPY...BLM  
NATIONAL WEATHER SERVICE BILLINGS MT  
929 AM MDT WED SEP 2 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0900 MDT ON SEPTEMBER 02.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
WARM AND DRY CONDITIONS CAN BE EXPECTED AT THE FIRE TODAY. LOOK  
FOR SOUTH TO SOUTHEAST WINDS THIS MORNING TO SHIFT TO THE  
SOUTHWEST IN THE EARLY AFTERNOON WITH SOME WIND GUSTS INTO THE 20S  
MPH. ISOLATED SHOWERS AND THUNDERSTORMS ARE POSSIBLE AFTER 1400  
MDT, ENDING BY THE EVENING, WITH WIND GUSTS TO 40 MPH THE MAIN  
THREATS. WINDS BACK OFF SOME TONIGHT, THOUGH A LOW LEVEL JET WILL  
KEEP RIDGES BREEZY OVERNIGHT. MODERATE RH RECOVERIES CAN BE  
EXPECTED.  
   
TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS  
AFTER 1400 MDT.  
CWR.................5 PERCENT.  
CHANCE OF LIGHTNING.15 PERCENT.  
MAX TEMPERATURE.....88-93.  
MIN HUMIDITY........11-16 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH TO SOUTHEAST WINDS 5 TO 10 MPH WITH GUSTS TO  
16 MPH THIS MORNING, BECOMING SOUTHWEST 8 TO 16  
MPH WITH GUSTS TO 23 MPH IN THE EARLY AFTERNOON.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.  
RIDGETOP...........SOUTH TO SOUTHEAST 6 TO 10 MPH WITH GUSTS TO 16 MPH  
THIS MORNING, BECOMING SOUTHWEST 10 TO 20 MPH THIS  
AFTERNOON WITH GUSTS UP TO 25 MPH.  
MIXING HEIGHT.......INCREASING TO 12800 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH TO SOUTHWEST AROUND 20 MPH.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.5 PERCENT.  
MIN TEMPERATURE.....58-62.  
MAX HUMIDITY........40-45 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 6 TO 12 MPH. GUSTS TO 16 MPH  
IN THE EVENING.  
RIDGETOP...........SOUTHWEST TO WEST 7 TO 14 MPH. GUSTS TO 20 MPH.  
MIXING HEIGHT.......DECREASING TO 500 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
 
 
FORECASTER...PALMQUIST  
REQUESTED BY...HANNAH  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621100.0/BYZ  
.DELDT 09/02/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MTMCC@FIRENET.GOV  
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