795
FNUS75 KBOI 271954
FWSBOI

Spot Forecast for Box...BLM
National Weather Service Boise ID
154 PM MDT Wed Aug 27 2025

Forecast is based on forecast start time of 0600 MDT on August 28.
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.

...SLIGHT CHANCE OF AFTERNOON SHOWERS AND STORMS THROUGH FRIDAY...
...WARMER AND DRIER FROM SATURDAY...

.DISCUSSION...
Slight chance of showers and thunderstorms during Thursday and
Friday afternoons, with a general easing trend into the weekend.
Thunderstorm outflows may be gusty and erratic to around 30-35
mph. Otherwise, winds light in the absence of thunderstorms,
favoring terrain influenced flows such as northerly winds during
the day and southerly during the night. Chance of wetting rain is
around 5-10% in the afternoons. A return to warmer and drier
conditions from Saturday.

.THURSDAY...

Sky/weather.........Mostly sunny. A 10 percent chance of showers
                    and thunderstorms in the afternoon.
Max temperature.....80 to 85.
Min humidity........27 to 32 percent.
CWR.................5 percent.
Wind - 20 foot......Southwest 3 to 5 mph in the morning shifting to
                    the northwest around 6 mph in the afternoon. Gusty
                    and erratic winds expected near thunderstorms in
                    the afternoon.
Mixing height.......10000 ft AGL.
Transport winds.....West around 10 mph.
Ventilation Index...1000 excellent.

.THURSDAY NIGHT...

Sky/weather.........Partly cloudy.
Min temperature.....58 to 63.
Max humidity........57 to 62 percent.
CWR.................0 percent.
Wind - 20 foot......Southeast around 6 mph.
Mixing height.......200 ft AGL.
Transport winds.....Southeast around 5 mph.
Ventilation Index...10 poor.

.FRIDAY...

Sky/weather.........Mostly sunny. A 20 percent chance of showers
                    and thunderstorms in the afternoon.
Max temperature.....81 to 86.
Min humidity........24 to 29 percent.
CWR.................10 percent.
Wind - 20 foot......Southeast around 5 mph shifting to the north
                    in the afternoon. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Mixing height.......11500 ft AGL.
Transport winds.....Southwest around 5 mph.
Ventilation Index...575 good.

$$
Forecaster...Zhou
Requested by...Idaho Team 1
Type of request...WILDFIRE
.TAG 2520834.0/BOI
.DELDT 08/28/25
.FormatterVersion 2.0.0
.EMAIL 2025.box.plans@firenet.gov