262  
FNUS75 KBYZ 302044  
FWSBYZ  
 
SPOT FORECAST FOR BOOTJACK DRAW...MT DNRC COUNTY ASSIST TEAM  
NATIONAL WEATHER SERVICE BILLINGS MT  
244 PM MDT SAT MAY 30 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 MDT ON MAY 30.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH  
THIS FORECAST.  
   
DISCUSSION
 
 
SHOWERS ARE BEGINNING TO DEVELOP SOUTH OF THE WYOMING STATE LINE  
AND MAY AFFECT THE FIRE BY 3-4PM. EXPECT OCCASIONAL SHOWERS AND  
SCATTERED EMBEDDED THUNDERSTORMS LATE THIS AFTERNOON THROUGH  
TONIGHT. ANY SHOWER HAS THE POTENTIAL TO PRODUCE HEAVY RAIN, AND  
STRONG/ERRATIC WIND GUSTS ARE POSSIBLE NEAR ANY STORM. SUNDAY WILL  
BE COOLER WITH BREEZY NW WINDS AND OCCASIONAL SHOWERS. THE RISK  
OF THUNDER TOMORROW IS LOWER.  
   
REST OF TODAY
 
 
SKY/WEATHER.........CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
HEAVY RAIN POSSIBLE WITH ANY SHOWER. STORMS  
MAY PRODUCE ERRATIC WIND GUSTS OF 50 TO 60  
MPH.  
CWR.................70 PERCENT.  
CHANCE OF LIGHTNING.50 PERCENT.  
MAX TEMPERATURE.....75-78.  
MIN HUMIDITY........43-46 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH TO NORTHEAST 6-12 MPH.  
RIDGETOP...........NORTH 10-15 MPH.  
MIXING HEIGHT.......5000 FT AGL.  
TRANSPORT WINDS.....NORTH 12 MPH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. OCCASIONAL SHOWERS WITH  
SCATTERED THUNDERSTORMS. HEAVY RAIN POSSIBLE  
WITH ANY SHOWER. STORMS MAY PRODUCE ERRATIC  
WIND GUSTS OF 50 TO 60 MPH THIS EVENING.  
CWR.................70 PERCENT.  
CHANCE OF LIGHTNING.50 PERCENT.  
MIN TEMPERATURE.....49-53.  
MAX HUMIDITY........ABOVE 90 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST TO NORTH 5-15 MPH.  
RIDGETOP...........NORTHWEST TO NORTH 10-15 MPH. GUSTS TO 20 MPH  
OVERNIGHT.  
MIXING HEIGHT.......DECREASING TO 600 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....NORTHWEST 10 MPH.  
 

 
FORECASTER...LESTER  
REQUESTED BY...TOM KOHLEY  
TYPE OF REQUEST...WILDFIRE  
.TAG 2614684.0/BYZ  
.DELDT 05/30/26  
.FORMATTERVERSION 2.0.0  
.EMAIL TOM_KOHLEY@FIRENET.GOV  
 
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