FNUS75 KBOI 241032

FWSBOI



Spot Forecast for Shirts piles Rx...Boise NF

National Weather Service Boise ID

430 AM MDT Fri Oct 24 2025



Forecast is based on ignition time of 0600 MDT on October 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.



...DRY AND MILD TODAY. WETTING RAIN AND COLDER SATURDAY....



.DISCUSSION...

Upper ridge will continue dry, mild weather today but clouds will

increase this afternoon.  Cold front from Gulf of Alaska storm

will pass through the fire area Saturday afternoon.  Rain showers

begining around 3 AM MDT Saturday, then steady rain all day 

Saturday with anount near .60 inch. Fair ventilation today with

southerly transport wind near 15 mph, then good ventilation 

Saturday.



.TODAY...



Sky/weather.........Mostly sunny in the morning then increasing 

                    clouds in the afternoon. 

Max temperature.....56 to 63. 

Min humidity........30 to 35 percent. 

CWR.................0 percent. 

Wind - 20 foot......Southeast up to 6 mph. Gusts up to 14 mph in 

                    the afternoon. 

Mixing height.......2500 ft AGL. 

Transport winds.....South around 15 mph. 

Ventilation Index...375 fair. 



.TONIGHT...



Sky/weather.........Cloudy. A 50 percent chance of rain showers 

                    overnight. 

Min temperature.....39 to 44. 

Max humidity........92 to 97 percent. 

CWR.................20 percent. 

Wind - 20 foot......South 3 to 9 mph with gusts to around 14 mph. 

Mixing height.......300 ft AGL. 

Transport winds.....South around 15 mph. 

Ventilation Index...45 poor. 



.SATURDAY...



Sky/weather.........Rain. Chance of rain near 100 percent. 

                    Rainfall about .60 inch. 

Max temperature.....43 to 48. 

Min humidity........70 to 75 percent. 

CWR.................100 percent. 

Wind - 20 foot......South 4 to 9 mph with gusts to around 18 mph. 

Mixing height.......3000 ft AGL. 

Transport winds.....South around 20 mph. 

Ventilation Index...600 good. 



$$

Forecaster...Colin

Requested by...Chris Hightower

Type of request...PRESCRIBED

.TAG 2523836.2/BOI

.DELDT 10/24/25

.FormatterVersion 2.0.0

.EMAIL christopher.hightower@usda.gov,William.Sanders2@usda.gov,justin.yankey@usda.gov