339  
FNUS75 KBYZ 051223  
FWSBYZ  
 
SPOT FORECAST FOR MILLER CREEK...BLM  
NATIONAL WEATHER SERVICE BILLINGS MT  
623 AM MDT SAT JUL 5 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON JULY 05.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
LOW CLOUDS WILL BREAK UP MID MORNING WITH MOSTLY SUNNY CONDITIONS  
THROUGH MID AFTERNOON. WINDS WILL BE GENERALLY EASTERLY TODAY  
WITH A LEAN TOWARD NORTHEAST THIS MORNING, THEN MORE SOUTHEAST  
THIS AFTERNOON. SHOWERS AND THUNDERSTORMS MAY ARRIVE AS EARLY AS  
2PM, BUT MOST LIKELY BY 4PM. SEVERAL ROUNDS OF THUNDERSTORM ARE  
EXPECTED THROUGH AROUND 10PM TONIGHT. GOLF BALL HAIL AND WIND  
GUSTS TO 75 MPH ARE THE MAIN THREATS WITH STORMS TODAY. ISOLATED  
TORNADO THREAT IS THERE, BUT CHANCES ARE LOW. HEAVY RAINFALL IS  
POSSIBLE WITH LOCALLY OVER AN INCH OF RAIN POSSIBLE IN A SHORT  
PERIOD OF TIME WITH THE STRONGER THUNDERSTORMS. SHOWERS TAPER OFF  
BY AROUND 2AM. STRONG RH RECOVERIES TONIGHT AND FOG IS A  
POSSIBILITY BEFORE SUNRISE SUNDAY MORNING. CHAMBERS  
   
TODAY  
 
SKY/WEATHER.........CLOUDY EARLY THIS MORNING BECOMING MOSTLY SUNNY  
MID MORNING. INCREASING CLOUDS IN THE  
AFTERNOON. SCATTERED SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. SOME THUNDERSTORMS MAY BE SEVERE.  
CWR.................36 PERCENT.  
CHANCE OF LIGHTNING.45 PERCENT.  
MAX TEMPERATURE.....84-88.  
MIN HUMIDITY........38-42 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS 6 TO 12 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
RIDGETOP...........EAST AROUND 12 MPH.  
MIXING HEIGHT.......600 FT AGL EARLY IN THE MORNING INCREASING TO  
6900 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....EAST AROUND 10 MPH.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY IN THE EVENING, BECOMING PARTLY  
CLOUDY OVERNIGHT. RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE EVENING, DECREASING CHANCES  
OF RAIN SHOWERS OVERNIGHT. SOME THUNDERSTORMS MAY  
BE SEVERE IN THE EVENING.  
CWR.................64 PERCENT.  
CHANCE OF LIGHTNING.70 PERCENT.  
MIN TEMPERATURE.....56-60.  
MAX HUMIDITY........91-95 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTHWEST  
OVERNIGHT. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
RIDGETOP...........EAST AROUND 15 MPH TURNING SOUTHWEST OVERNIGHT.  
MIXING HEIGHT.......6900 FT AGL EARLY IN THE EVENING DECREASING TO  
300 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....EAST AROUND 10 MPH TURNING SOUTHWEST OVERNIGHT.  
 
 
FORECASTER...CHAMBERS  
REQUESTED BY...HANNAH  
TYPE OF REQUEST...WILDFIRE  
.TAG 2517378.0/BYZ  
.DELDT 07/05/25  
.FORMATTERVERSION 2.0.0  
.EMAIL MTMCC@FIRENET.GOV  
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