353
FNUS75 KBOI 232010
FWSBOI

Spot Forecast for Box...BLM
National Weather Service Boise ID
210 PM MDT Sat Aug 23 2025

Forecast is based on forecast start time of 0600 MDT on August 24.
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 THIS WEEKEND WITH A SLIGHT COOLING TREND NEXT WEEK...

...ISOLATED VIRGA SHOWERS AND THUNDERSTORMS TODAY AND TOMORROW...

.DISCUSSION...
Monsoon moisture will push clouds into the region with a 20%
chance of showers and thunderstorms through Monday. Minimal
accumulation will occur with showers on Sunday, with very dry
surface air in place. Accumulation will increase with any showers
starting Monday, with a slight cooling trend anticipated through
next week. Winds will primarily be light and terrain driven,
except in stronger showers and thunderstorms where outflow gusts
up to 45 mph are possible.

.SUNDAY...

Sky/weather.........Mostly cloudy. A slight chance of showers and afternoon
thunderstorms. Chance of precipitation 30 percent.
Max temperature.....87 to 92.
Min humidity........22 to 27 percent.
CWR.................10 percent.
Wind - 20 foot......South around 6 mph in the morning shifting to
                    the southwest around 7 mph with gusts to around 14
                    mph in the afternoon. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Mixing height.......9000 ft AGL.
Transport winds.....Northwest around 10 mph.
Ventilation Index...900 excellent.

.SUNDAY NIGHT...

Sky/weather.........Mostly cloudy with a 20 percent chance of
                    showers and thunderstorms.
Min temperature.....64 to 69.
Max humidity........47 to 52 percent.
CWR.................10 percent.
Wind - 20 foot......Northwest 5 to 8 mph with gusts to around 14 mph in
                    the evening shifting to the south around 5
                    mph overnight. Gusty and erratic winds expected
                    near thunderstorms.
Mixing height.......200 ft AGL.
Transport winds.....Northwest around 5 mph.
Ventilation Index...10 poor.

.MONDAY...

Sky/weather.........Mostly cloudy. A chance of showers and afternoon
thunderstorms. Chance of precipitation 40 percent.
Max temperature.....84 to 89.
Min humidity........30 to 35 percent.
CWR.................20 percent.
Wind - 20 foot......Southwest around 6 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Mixing height.......8500 ft AGL.
Transport winds.....North around 8 mph.
Ventilation Index...680 good.

$$
Forecaster...Adams
Requested by...Idaho Team 1
Type of request...WILDFIRE
.TAG 2520517.0/BOI
.DELDT 08/24/25
.FormatterVersion 2.0.0
.EMAIL 2025.box.plans@firenet.gov