660
FNUS75 KBOI 051219
FWSBOI

Spot Forecast for Horseshoe Landing Piles...Boise NF
National Weather Service Boise ID
519 AM MST Fri Dec 5 2025

Forecast is based on ignition time of 0600 MST on December 05.
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 AND SNOW THROUGH THE WEEKEND...

.DISCUSSION...
Moist flow off the Pacific will keep a chance of rain and snow at
the burn site through the weekend. Today will see snow change to rain
as warmer air moves in aloft. Any additional accumulation this morning
will be light. A period of breezy winds is expected overnight, but
otherwise winds remain light through the weekend. Lowering snow levels
will return the chance of light snow to the burn site for Saturday and
Sunday, but little if any accumulation is expected.

.TODAY...

Sky/weather.........Snow this morning, changing to rain in the afternoon.
                    Chance of precipitation near 100 percent. Snow
                    accumulation less than 1 inch.
Max temperature.....35 to 40.
Min humidity........90 to 95 percent.
CWR.................80 percent.
Wind - 20 foot......Less than 3 mph in the morning becoming
                    southwest around 4 mph in the afternoon.
Mixing height.......800 ft AGL.
Transport winds.....Southwest around 5 mph.
Ventilation Index...40 poor.

.TONIGHT...

Sky/weather.........Rain in the evening, then a chance of rain and
                    snow overnight. Patchy fog through the night.
                    Chance of precipitation near 100 percent. No
                    snow accumulation.
Min temperature.....28 to 33.
Max humidity........95 to 100 percent.
CWR.................50 percent.
Wind - 20 foot......West 3 to 6 mph with gusts to around 16 mph.
Mixing height.......400 ft AGL.
Transport winds.....West around 10 mph.
Ventilation Index...40 poor.

.SATURDAY...

Sky/weather.........Mostly cloudy with a 40 percent chance of snow
                    and rain.
Max temperature.....34 to 39.
Min humidity........80 to 85 percent.
CWR.................20 percent.
Wind - 20 foot......Southwest 3 to 6 mph. Gusts up to 14 mph in the
                    morning.
Mixing height.......2500 ft AGL.
Transport winds.....West around 10 mph.
Ventilation Index...250 fair.

$$
Forecaster...Groenert
Requested by...Chris Hightower
Type of request...PRESCRIBED
.TAG 2526741.3/BOI
.DELDT 12/05/25
.FormatterVersion 2.0.0
.EMAIL christopher.hightower@usda.gov,justin.yankey@usda.gov