723
FNUS75 KBOI 201747
FWSBOI

Spot Forecast for Box...BLM
National Weather Service Boise ID
1147 AM MDT Wed Aug 20 2025

Forecast is based on forecast start time of 0600 MDT on August 21.
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.

...HOT AND DRY WITH BREEZY AFTERNOON WINDS...

.DISCUSSION...
Temperatures will be similar to yesterday, with slightly drier
conditions and poor overnight relative humidity recoveries. Winds
will be primarily out of the north-northeast, with some terrain
enhancement in the afternoon. A significant pattern shift is still
on deck for late Saturday into Sunday with scattered showers and
thunderstorms with minimal precipitation.

.THURSDAY...

Sky/weather.........Mostly sunny.
Max temperature.....90 to 95.
Min humidity........12 to 18 percent.
CWR.................0 percent.
Wind - 20 foot......North to northeast around 10-15 mph with afternoon
gusts 20-30 mph.
Mixing height.......9000 ft AGL.
Transport winds.....West around 20 mph.
Ventilation Index...1800 excellent.

.THURSDAY NIGHT...

Sky/weather.........Partly cloudy.
Min temperature.....60 to 65.
Max humidity........28 to 33 percent.
CWR.................0 percent.
Wind - 20 foot......Northeast around 9 mph. Gusts up to 20 mph in
                    the late evening.
Mixing height.......300 ft AGL.
Transport winds.....East around 20 mph.
Ventilation Index...60 poor.

.FRIDAY...

Sky/weather.........Sunny.
Max temperature.....95 to 100.
Min humidity........10 to 16 percent.
CWR.................0 percent.
Wind - 20 foot......Northeast around 5-8 mph.
Mixing height.......12000 ft AGL.
Transport winds.....West around 10 mph.
Ventilation Index...1200 excellent.

$$
Forecaster...Adams
Requested by...Idaho Team 1
Type of request...WILDFIRE
.TAG 2520324.0/BOI
.DELDT 08/21/25
.FormatterVersion 2.0.0
.EMAIL 2025.box.plans@firenet.gov