004  
FNUS75 KBOI 121247  
FWSBOI  
 
SPOT FORECAST FOR BIG CREEK RX...USFS  
NATIONAL WEATHER SERVICE BOISE ID  
647 AM MDT SUN OCT 12 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON OCTOBER 12.  
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.  
   
..RAIN AND SNOW WITH BREEZY CONDITIONS TODAY  
   
..MONDAY DRYING OUT IN THE AFTERNOON  
 
   
DISCUSSION  
 
A TROUGH WILL MOVE SOUTH ALONG THE COAST TODAY, BRINGING RAIN AND  
SNOW SHOWERS TO THE AREA TODAY ALONG WITH BREEZY SOUTHWEST WINDS.  
RAIN AND SNOW CONTINUES INTO MONDAY WITH CONDITIONS DRYING OUT BY  
MIDDAY ON MONDAY. WINDS SHIFT TO THE EASTERLY DIRECTION ON MONDAY.  
   
REST OF TODAY  
 
SKY/WEATHER.........RAIN AND SNOW SHOWERS EARLY IN THE MORNING,  
THEN RAIN AND SNOW SHOWERS LIKELY IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 80 PERCENT.  
NEW SNOW ACCUMULATION UP TO 1 INCH.  
MAX TEMPERATURE.....34 TO 43.  
MIN HUMIDITY........64 TO 69 PERCENT.  
CWR.................40 PERCENT.  
WIND - 20 FOOT......SOUTHWEST 8 TO 14 MPH WITH GUSTS TO AROUND 22  
MPH.  
MIXING HEIGHT.......3500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
VENTILATION INDEX...700 EXCELLENT.  
   
TONIGHT  
 
SKY/WEATHER.........RAIN AND SNOW SHOWERS. CHANCE OF PRECIPITATION  
80 PERCENT. SNOW ACCUMULATION UP TO 1 INCH.  
MIN TEMPERATURE.....22 TO 27.  
MAX HUMIDITY........95 TO 100 PERCENT.  
CWR.................50 PERCENT.  
WIND - 20 FOOT......SOUTHWEST 7 TO 13 MPH WITH GUSTS TO AROUND 20  
MPH IN THE EVENING SHIFTING TO THE EAST AROUND  
4 MPH OVERNIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
VENTILATION INDEX...40 POOR.  
   
COLUMBUS DAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW  
SHOWERS, MAINLY IN THE MORNING. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....43 TO 53.  
MIN HUMIDITY........50 TO 55 PERCENT.  
CWR.................20 PERCENT.  
WIND - 20 FOOT......EAST AROUND 6 MPH. GUSTS UP TO 16 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......5000 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
VENTILATION INDEX...750 EXCELLENT.  
 
 
FORECASTER...ANDERSON  
REQUESTED BY...PAYETTE DISPATCH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2523450.0/BOI  
.DELDT 10/12/25  
.FORMATTERVERSION 2.0.0  
.EMAIL KATE.HARRISON93@GMAIL.COM,IDPAC@FIRENET.GOV  
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