250  
FNUS75 KBYZ 260003  
FWSBYZ  
 
SPOT FORECAST FOR PINE COULEE...USWFS  
NATIONAL WEATHER SERVICE BILLINGS MT  
603 PM MDT TUE AUG 25 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 MDT ON AUGUST 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
ISOLATED SHOWERS AND THUNDERSTORMS WILL LINGER NEAR THE INCIDENT  
THROUGH 2000 MDT THIS EVENING FOLLOWED BY CLEARING SKIES. ANOTHER  
CHANCE (20-30%) OF ISOLATED THUNDERSTORMS IS FORECAST BETWEEN 1500  
AND 2200 MDT WEDNESDAY. ASIDE FROM ANY ERRATIC WINDS NEAR  
THUNDERSTORMS, WINDS WILL REMAIN PRIMARILY TERRAIN DRIVEN THROUGH  
WEDNESDAY NIGHT. RIDGETOP AND TRANSPORT WINDS WILL BE PRIMARILY  
LIGHT OUT OF THE WEST. RH RECOVERIES OVERNIGHT SHOULD ONLY  
REACH MODERATE AT BEST AS CORROBORATED FROM LAST NIGHT. WMR  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS EARLY.  
CWR.................LESS THAN 10 PERCENT.  
CHANCE OF LIGHTNING.10 PERCENT.  
MIN TEMPERATURE.....57-62.  
MAX HUMIDITY........40-50 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......BECOMING DOWNSLOPE / DOWN-VALLEY AT 6 TO 12 MPH.  
RIDGETOP...........WEST AROUND 15 MPH.  
MIXING HEIGHT.......DECREASING TO 500 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS  
AFTER 1500 MDT.  
CWR.................LESS THAN 10 PERCENT.  
CHANCE OF LIGHTNING.15 PERCENT.  
MAX TEMPERATURE.....81-85.  
MIN HUMIDITY........20-30 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......BECOMING EASTERLY AT 10 TO 15 MPH. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.  
RIDGETOP...........BECOMING SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......INCREASING TO 9100 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....60-64.  
MAX HUMIDITY........40-50 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......BECOMING DOWNSLOPE / DOWN-VALLEY AT 6 TO 12 MPH.  
RIDGETOP...........WEST AROUND 15 MPH.  
MIXING HEIGHT.......DECREASING TO 400 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
 

 
FORECASTER...MCKEOWN-ROBBIE/ARENDS  
REQUESTED BY...RODNEY OWEN  
TYPE OF REQUEST...WILDFIRE  
.TAG 2620537.0/BYZ  
.DELDT 08/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ARCHIE.FLATLIP@BIA.GOV,MTBDC@FIRENET.GOV  
 
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