Spot Forecast
Issued by NWS Boise, ID

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300
FNUS75 KBOI 071235
FWSBOI

Spot Forecast for FY26 BOSH Piles...BLM
National Weather Service Boise ID
535 AM MST Sun Dec 7 2025

Forecast is based on ignition time of 1800 MST on December 07.
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.

...BREEZY WITH A CHANCE OF LIGHT RAIN EARLY NEXT WEEK...

.DISCUSSION...
A moist Pacific air mass will set up over the region through the
middle of the week bringing periods of light rain to the burn site.
The best chance for measurable rain will come Tuesday and again on
Wednesday. Winds will be breezy, with the gust potential increasing
to 20-30 mph on Tuesday and carrying through Tuesday night into
Wednesday. High pressure will bring drier and calmer conditions
to end the week.

.TONIGHT...

Sky/weather.........Mostly cloudy. A 40 percent chance of rain in
                    the evening.
Min temperature.....33 to 38.
Max humidity........88 to 93 percent.
CWR.................10 percent.
Wind - 20 foot......Southwest 3 to 6 mph.
Mixing height.......300 ft AGL.
Transport winds.....Southwest around 10 mph.
Ventilation Index...30 poor.

.MONDAY...

Sky/weather.........Mostly cloudy.
Max temperature.....49 to 54.
Min humidity........53 to 58 percent.
CWR.................0 percent.
Wind - 20 foot......Northeast around 3 mph in the morning, becoming
                    southwest 5 to 9 mph with gusts up to 14 mph in
                    the afternoon.
Mixing height.......2500 ft AGL.
Transport winds.....Southwest around 15 mph.
Ventilation Index...375 fair.

.MONDAY NIGHT...

Sky/weather.........Mostly cloudy with a 20 percent chance of rain.
Min temperature.....39 to 44.
Max humidity........76 to 81 percent.
CWR.................10 percent.
Wind - 20 foot......Southwest 6 to 10 mph with gusts to around 14
                    mph.
Mixing height.......800 ft AGL.
Transport winds.....Southwest around 15 mph.
Ventilation Index...120 poor.

.TUESDAY...

Sky/weather.........Cloudy. A chance of rain in the morning, then
                    rain likely in the afternoon. Chance of rain 60
                    percent.
Max temperature.....50 to 55.
Min humidity........58 to 63 percent.
CWR.................30 percent.
Wind - 20 foot......Southwest 6 to 10 mph with gusts to around 20
                    mph.
Mixing height.......800 ft AGL.
Transport winds.....Southwest around 15 mph.
Ventilation Index...120 poor.

$$
Forecaster...Groenert
Requested by...Dawson Foster
Type of request...PRESCRIBED
.TAG 2527107.0/BOI
.DELDT 12/07/25
.FormatterVersion 2.0.0
.EMAIL dawsonfoster@blm.gov,smburke@blm.gov