775  
FNUS75 KBOI 202321  
FWSBOI  
 
SPOT FORECAST FOR BOSH PILES...BLM  
NATIONAL WEATHER SERVICE BOISE ID  
421 PM MST WED NOV 20 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0000 MST ON NOVEMBER 21.  
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.  
   
..PERIODS OF RAIN THROUGH AT LEAST FRIDAY
 
   
..UNSETTLED WEATHER CONTINUES THROUGH THE WEEKEND
 
 
   
DISCUSSION
 
 
A STRONG PACIFIC STORM WILL CONTINUE PRECIPITATION THROUGH FRIDAY.  
BREEZY SOUTHERLY WINDS IS EXPECTED TO CONTINUE TONIGHT THROUGH  
THURSDAY AND INTO FRIDAY. SNOW LEVELS HAVE RISEN ABOVE 7000 FEET  
MSL THIS EVENING SHOULD REMAIN AT OR ABOVE THIS LEVEL THROUGH FRIDAY.  
THUS, PERIODS OF RAIN IS EXPECTED INTO THE WEEKEND. WINDS SHOULD  
GRADUALLY DECREASE BEGINNING FRIDAY NIGHT.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........RAIN. CHANCE OF RAIN 80 PERCENT.  
MIN TEMPERATURE.....34 TO 39.  
MAX HUMIDITY........90 TO 95 PERCENT.  
CWR.................50 PERCENT.  
LAL.................1.  
WIND - 20 FOOT......SOUTH 13 TO 18 MPH WITH GUSTS TO AROUND 25 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
HAINES INDEX........2 VERY LOW.  
VENTILATION INDEX...60 POOR.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH RAIN LIKELY. CHANCE OF RAIN  
70 PERCENT.  
MAX TEMPERATURE.....44 TO 49.  
MIN HUMIDITY........51 TO 56 PERCENT.  
CWR.................40 PERCENT.  
LAL.................1.  
WIND - 20 FOOT......SOUTH 13 TO 18 MPH WITH GUSTS TO AROUND 26 MPH.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.  
HAINES INDEX........2 VERY LOW.  
VENTILATION INDEX...375 FAIR.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........RAIN IN THE EVENING, THEN A CHANCE OF RAIN  
OVERNIGHT. CHANCE OF RAIN 80 PERCENT.  
MIN TEMPERATURE.....36 TO 41.  
MAX HUMIDITY........71 TO 76 PERCENT.  
CWR.................40 PERCENT.  
LAL.................1.  
WIND - 20 FOOT......SOUTH 8 TO 14 MPH WITH GUSTS TO AROUND 20 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
HAINES INDEX........2 VERY LOW.  
VENTILATION INDEX...60 POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........CLOUDY. A CHANCE OF RAIN IN THE MORNING, THEN  
RAIN LIKELY IN THE AFTERNOON. CHANCE OF RAIN 60  
PERCENT.  
MAX TEMPERATURE.....47 TO 52.  
MIN HUMIDITY........51 TO 56 PERCENT.  
CWR.................30 PERCENT.  
LAL.................1.  
WIND - 20 FOOT......SOUTHWEST 12 TO 19 MPH WITH GUSTS TO AROUND 28  
MPH.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
HAINES INDEX........2 VERY LOW.  
VENTILATION INDEX...300 FAIR.  
 

 
FORECASTER...SMITH  
REQUESTED BY...SEAN BURKE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2427114.0/BOI  
.DELDT 11/21/24  
.FORMATTERVERSION 2.0.0  
.EMAIL SMBURKE@BLM.GOV  
 
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