677
FNUS75 KBOI 121623
FWSBOI

Spot Forecast for Fox...FS
National Weather Service Boise ID
1023 AM MDT Wed Aug 12 2026

Forecast is based on forecast start time of 1700 MDT on August 12.
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.

...WARM, DRY, AND BREEZY TODAY...
...COOLER WITH SCATTERED SHOWERS AND THUNDERSTORMS
THROUGH SATURDAY...

...FIRE WEATHER WATCH FOR SCATTERED THUNDERSTORMS IN
EFFECT FROM THURSDAY AFTERNOON THROUGH EARLY FRIDAY MORNING...

.DISCUSSION...
Warm and dry conditions will occur again today, with poor to
moderate overnight relative humidity recoveries at high
elevations. Ridgetop winds will increase through the afternoon,
with gusts up to 25 mph. Drainage winds in the lower valleys near
the Snake River and I-84 corridor are anticipated again tonight,
with intermittent gusts up to 35 mph. Precipitation chances will
increase tomorrow, with a 20-30% chance of showers and
thunderstorms tomorrow afternoon through Saturday. Gusty outflow
winds up to 35 mph and lightning are the main concern.

.REST OF TODAY...

Sky/weather.........Sunny.
Max temperature.....76 to 91.
Min humidity........19 to 27 percent.
CWR.................0 percent.
Wind - 20 foot......Northwest 5 to 10 mph with gusts to around 16
                    mph.
Mixing height.......8500 ft AGL.
Transport winds.....West around 15 mph.
Ventilation Index...1275 excellent.

.TONIGHT...

Sky/weather.........Mostly cloudy with a 10 percent chance of showers.
Min temperature.....56 to 62.
Max humidity........49 to 64 percent.
CWR.................0 percent.
Wind - 20 foot......Northwest 9 to 15 mph with gusts to around 22
                    mph.
Mixing height.......200 ft AGL.
Transport winds.....Northwest around 10 mph.
Ventilation Index...20 poor.

.THURSDAY...

Sky/weather.........Mostly cloudy with a 10-20 percent chance of showers
and thunderstorms.
Max temperature.....73 to 88.
Min humidity........24 to 33 percent.
CWR.................0 percent.
Wind - 20 foot......Northwest 6 to 10 mph with gusts to 18 mph.
Mixing height.......8500 ft AGL.
Transport winds.....West around 10 mph.
Ventilation Index...850 excellent.

$$
Forecaster...Adams
Requested by...Mary Lata
Type of request...WILDFIRE
.TAG 2619441.1/BOI
.DELDT 08/12/26
.FormatterVersion 2.0.0
.EMAIL mary.lata@usda.gov