618
FNUS75 KBOI 141135
FWSBOI

Spot Forecast for Buckhorn...South Idaho
National Weather Service Boise ID
535 AM MDT Mon Sep 14 2026

Forecast is based on forecast start time of 0600 MDT on September 14.
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.

...COOL AND BREEZY TODAY...
...WARMING AND DRYING TREND THROUGH WEDNESDAY...

.DISCUSSION...
A low pressure system to the north will keep conditions cool and
breezy over the fire today. Upslope and up-drainage winds will
dominate through the morning, then northwest winds increase by the
late afternoon. Good relative humidity recoveries will occur
tonight, with low temperatures near freezing tomorrow morning.
Poor ventilation will trap smoke in drainages overnight. Warming
and drying conditions will occur through Wednesday, then
precipitation chances increase for the latter half of the week.

.TODAY...

Sky/weather.........Sunny.
Max temperature.....54 to 59.
Min humidity........31 to 36 percent.
CWR.................0 percent.
Wind - 20 foot......Northwest 5 to 10 mph. Gusts up to 16 mph in the
                    afternoon.
Mixing height.......4500 ft AGL.
Transport winds.....Northwest around 10 mph.
Ventilation Index...450 fair.

.TONIGHT...

Sky/weather.........Mostly clear.
Min temperature.....35 to 40.
Max humidity........60 to 65 percent.
CWR.................0 percent.
Wind - 20 foot......Northwest 3 to 7 mph in the evening shifting to
                    the southeast around 6 mph overnight.
Mixing height.......100 ft AGL.
Transport winds.....East around 5 mph.
Ventilation Index...5 poor.

.TUESDAY...

Sky/weather.........Sunny.
Max temperature.....60 to 65.
Min humidity........20 to 25 percent.
CWR.................0 percent.
Wind - 20 foot......South 3 to 6 mph.
Mixing height.......6000 ft AGL.
Transport winds.....Southwest around 10 mph.
Ventilation Index...600 good.

$$
Forecaster...Adams
Requested by...T. Mounce
Type of request...WILDFIRE
.TAG 2621688.3/BOI
.DELDT 09/14/26
.FormatterVersion 2.0.0
.EMAIL idscc@firenet.gov