212
FNUS75 KBOI 101035
FWSBOI

Spot Forecast for Sheep Creek Piles...USFS
National Weather Service Boise ID
335 AM MST Wed Dec 10 2025

Forecast is based on ignition time of 0700 MST on December 10.
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.

...CONTINUED WARM.  SLIGHT CHANCE OF LIGHT RAIN THIS MORNING.
LIMITED VENTILATION, ESPECIALLY THURSDAY...

.DISCUSSION...
A 20 percent chance of light rain early this morning, then drying as
the main moisture plume shifts north.  Continued warm the rest of the
week.  Light winds and slowly lowering mixing height will limit
ventilation, with Thursday worse than today.

.REST OF TODAY...

Sky/weather.........Mostly cloudy in the morning with a 20 percent
                    chance of rain, then decreasing clouds.
                    Patchy fog in the morning.
Max temperature.....48 to 53.
Min humidity........71 to 76 percent.
CWR.................10 percent.
Wind - 20 foot......Northwest 3 to 8 mph with gusts to around 16
                    mph.
Mixing height.......2000 ft AGL.
Transport winds.....West around 15 mph.
Ventilation Index...300 fair.

.TONIGHT...

Sky/weather.........Mostly clear.
Min temperature.....33 to 38.
Max humidity........83 to 88 percent.
CWR.................0 percent.
Wind - 20 foot......East 3 to 5 mph in the evening shifting to the
                    southwest 3 to 6 mph overnight.
Mixing height.......200 ft AGL.
Transport winds.....West around 5 mph.
Ventilation Index...10 poor.

.THURSDAY...

Sky/weather.........Sunny.
Max temperature.....47 to 52.
Min humidity........62 to 67 percent.
CWR.................0 percent.
Wind - 20 foot......North up to 6 mph.
Mixing height.......1500 ft AGL.
Transport winds.....Northwest around 5 mph.
Ventilation Index...75 poor.

$$
Forecaster...Colin
Requested by...Nick Becharas
Type of request...PRESCRIBED
.TAG 2527097.2/BOI
.DELDT 12/10/25
.FormatterVersion 2.0.0
.EMAIL nicholas.becharas@usda.gov,gordon.wells@usda.gov