650  
FNUS75 KBYZ 251819  
FWSBYZ  
 
SPOT FORECAST FOR BOZEMAN WZ PILES UNIT 73...USFS  
NATIONAL WEATHER SERVICE BILLINGS MT  
1119 AM MST TUE NOV 25 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON NOVEMBER 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
RETRANSMISSION.  
 
UPPER AIR HIGH PRESSURE WILL BRING DRY CONDITIONS  
TO THE SITE TODAY. DESPITE THE HIGH PRESSURE, THERE WILL BE SOME  
CLOUDS IN THE UPPER LEVELS OF THE ATMOSPHERE STREAMING OVERHEAD,  
GIVING PARTLY SUNNY SKIES. WINDS WILL BE AROUND 5-8 MPH FROM THE  
WEST WITH A FEW GUSTS TO 15 MPH. THE HIGH TEMPERATURE WILL REACH  
THE LOWER TO MIDDLE 20S THIS AFTERNOON.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....22-26.  
MIN HUMIDITY........41-45 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS UP TO 8 MPH IN THE LATE MORNING AND  
AFTERNOON BECOMING LIGHT. GUSTS TO 15 MPH IN THE  
EARLY AFTERNOON.  
RIDGETOP...........WEST 17 TO 25 MPH.  
MIXING HEIGHT.......100 FT AGL EARLY IN THE MORNING INCREASING TO  
2000 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....WEST 12 TO 17 MPH.  
 
TIME (MST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........43 42 54 65 68 70 75 78  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF LTNG (%).0 0 0 0 0 0 0 0  
TEMP............17 20 22 22 23 23 22 22  
RH..............70 61 55 48 44 43 45 49  
20 FT WIND DIR..SW W W W W W W W  
20 FT WIND SPD..5 6 8 8 8 6 5 4  
20 FT WIND GUST.10 10 14 15 15 11 10 6  
 
 
FORECASTER...SETZENFAND  
REQUESTED BY...TYELER KUHN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526355.2/BYZ  
.DELDT 11/25/25  
.FORMATTERVERSION 2.0.0  
.EMAIL NICHOLAS.NELSON@USDA.GOV,TYLER.KUHN@USDA.GOV  
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