549  
FNUS75 KBOI 241026  
FWSBOI  
 
SPOT FORECAST FOR WEST CASTLE ROCK RX...VALE BLM  
NATIONAL WEATHER SERVICE BOISE ID  
326 AM MST MON NOV 24 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 MST ON NOVEMBER 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (208)334-9060, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
..ISOLATED SHOWERS AND GUSTY WINDS TODAY
 
 
   
DISCUSSION
 
 
ISOLATED SHOWERS AHEAD OF A COLD FRONTAL PASSAGE EXPECTED AROUND 7 AM  
THIS MORNING. A MIX OF RAIN AND SNOW POSSIBLE WITH LITTLE ACCUMULATION  
EXPECTED (LESS THEN 0.01"). HOWEVER, STRONGER WESTERLY WINDS WILL  
FOLLOW WITH GUSTS UP TO 25 MPH ESPECIALLY ON THE RIDGETOPS. COLD TONIGHT  
WITH SKIES CLEARING AND LIGHT WINDS. ANOTHER ROUND OF PRECIPITATION IS  
EXPECTED LATE TUESDAY AFTERNOON. PRECIPITATION COULD START OUT AS LIGHT  
SNOW BUT CHANGED TO RAIN BY LATE EVENING.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND  
SNOW SHOWERS IN THE MORNING.  
MAX TEMPERATURE.....35 TO 40.  
MIN HUMIDITY........50 TO 55 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......WEST 7 TO 13 MPH WITH GUSTS TO AROUND 22 MPH.  
MIXING HEIGHT.......3500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
VENTILATION INDEX...525 GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....22 TO 27.  
MAX HUMIDITY........62 TO 68 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......NORTH 3 TO 7 MPH.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 5 MPH.  
VENTILATION INDEX...10 POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY. A 40 PERCENT CHANCE OF SNOW  
SHOWERS IN THE AFTERNOON.  
MAX TEMPERATURE.....33 TO 38.  
MIN HUMIDITY........47 TO 58 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......LESS THAN 3 MPH IN THE MORNING BECOMING SOUTH 3  
TO 5 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
VENTILATION INDEX...50 POOR.  
 

 
FORECASTER...SMITH  
REQUESTED BY...VALE DISPATCH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526427.3/BOI  
.DELDT 11/24/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ORVAC@FIRENET.GOV  
 
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