897
FNUS75 KBOI 171103
FWSBOI

Spot Forecast for Big Bear...USFS
National Weather Service Boise ID
Issued by National Weather Service Salt Lake City UT
503 AM MDT Thu Jul 17 2025

Forecast is based on forecast start time of 0500 MDT on July 17.
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, DRY, AND BREEZY TODAY AND FRIDAY...

.DISCUSSION...
It will be hotter with lower humidity today and Friday. This will
bring more unstable conditions with high vertical mixing. Winds
aloft will be stronger today and Friday, resulting in gusty
afternoon winds each day. Slightly cooler temperatures will arrive
over the weekend with continued breezy afternoon winds.

.TODAY...

Sky/weather.........Sunny.
Max temperature.....86 to 95.
Min humidity........14 to 19 percent.
CWR.................0 percent.
Wind - 20 foot......Southwest 3 to 6 mph in the morning, shifting to
                    the west 7 to 13 mph with gusts up to 24 mph in
                    the afternoon.
Mixing height.......10500 ft AGL.
Transport winds.....West around 20 mph.
Ventilation Index...2100 excellent.

.TONIGHT...

Sky/weather.........Mostly clear.
Min temperature.....58 to 63.
Max humidity........41 to 46.
CWR.................0 percent.
Wind - 20 foot......Northwest 5 to 10 mph, gusts to 18 mph in the
                    evening.
Mixing height.......1000 ft AGL.
Transport winds.....Northwest around 5 mph
Ventilation Index...50 poor.

.FRIDAY...

Sky/weather.........Sunny.
Max temperature.....87 to 95.
Min humidity........15 to 20 percent.
CWR.................0 percent.
Wind - 20 foot......West 2 to 5 mph in the morning, shifting to the
                    northwest 8 to 14 mph with gusts up to 22 mph in
                    the afternoon.
Mixing height.......12500 ft AGL.
Transport winds.....West around 20 mph
Ventilation Index...2500 excellent.

$$
Forecaster...Tangen
Requested by...Nathan Robinson (Incident Commander)
Type of request...WILDFIRE
.TAG 2517897.5/BOI
.DELDT 07/17/25
.FormatterVersion 2.0.0
.EMAIL nathan.robinson@usda.gov