064
FNUS75 KBOI 041028
FWSBOI

Spot Forecast for HorseshoeBend Salvage Pile RX...USFS
National Weather Service Boise ID
328 AM MST Wed Nov 4 2026

Forecast is based on ignition time of 0630 MST on November 04.
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.

...POOR VENTILATION THIS WEEK...
...DRY EXCEPT FOR ISOLATED SHOWERS ON THURSDAY...

.DISCUSSION...
High pressure will remain overhead today. This will keep winds
light with low vertical mixing, leading to poor ventilation.
Skies will become mostly sunny this afternoon with light west
winds. Temperatures will be slightly above normal today. A weak
system will move through on Thursday, bringing a 10% chance of a
rain/snow mix and cooler temperatures. This system will also
slightly improve ventilation. High pressure will rebuild Friday
through the weekend with dry conditions and temperatures warming
to around 10 degrees above normal.

.TODAY...

Sky/weather.........Mostly cloudy in the morning, then clearing.
Max temperature.....46 to 51.
Min humidity........45 to 50 percent.
CWR.................0 percent.
Wind - 20 foot......North to northeast 1 to 3 mph in the morning,
                    becoming west 2 to 4 mph in the afternoon.
Mixing height.......2000 ft AGL.
Transport winds.....West around 5 mph.
Ventilation Index...100 poor.

.TONIGHT...

Sky/weather.........Partly cloudy in the evening then becoming
                    mostly cloudy overnight.
Min temperature.....33 to 38.
Max humidity........70 to 85 percent.
CWR.................0 percent.
Wind - 20 foot......East to southeast 1 to 3 mph.
Mixing height.......100 ft AGL.
Transport winds.....Southeast around 5 mph.
Ventilation Index...5 poor.

.THURSDAY...

Sky/weather.........Mostly cloudy. A 10% chance of a rain/snow mix.
Max temperature.....42 to 47.
Min humidity........60 to 65 percent.
CWR.................2 percent.
Wind - 20 foot......South 1 to 3 mph in the morning, becoming west
                    2 to 4 mph in the afternoon.
Mixing height.......2500 ft AGL.
Transport winds.....West around 5 mph.
Ventilation Index...125 poor.

$$
Forecaster...Tangen
Requested by...Brodie Antrim
Type of request...PRESCRIBED
.TAG 2624885.2/BOI
.DELDT 11/04/26
.FormatterVersion 2.0.0
.EMAIL brodie.antrim@usda.gov,andrew.patota@usda.gov,christopher.hightower@usda.gov