409
FNUS75 KBOI 161020
FWSBOI

Spot Forecast for Fox...USFS
National Weather Service Boise ID
420 AM MDT Sun Aug 16 2026

Forecast is based on forecast start time of 0800 MDT on August 16.
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.

...WARMER CONDITIONS WITH LOWER HUMIDITY TODAY AND MONDAY...
...SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS MONDAY EVENING...

.DISCUSSION...
Conditions will be warmer and mostly dry at the surface today and Monday
as high pressure builds. Marginal mid-level moisture and unstable
afternoon conditions will keep a 5% chance of showers/thunderstorms at
the fire for this afternoon, and a 15% chance for Monday evening. Erratic
outflows up to 40 mph possible from nearby storms Monday evening. Outside
of storms, diurnal winds with breezes expected both days.


.REST OF TODAY (SUNDAY)...

Sky/weather.........Partly sunny. A 5 percent chance of showers
                    and thunderstorms this afternoon.
Max temperature.....79 to 94. Coolest across northern areas,
                    warmest along southwest and southeast perimeters.
Min humidity........17 to 27 percent. Lowest along southern and
                    western edges.
CWR.................1 percent.
Wind - 20 foot......Southerly 3 to 8 mph by late morning (except
                    east-northeast for northern portion of fire).
                    Gusts around 14 mph in the afternoon.
Mixing height.......8500 ft AGL.
Transport winds.....Southwest around 10 mph.
Ventilation Index...850 excellent.

.TONIGHT...

Sky/weather.........Mostly cloudy.
Min temperature.....60 to 70. Warmest in southern areas, coolest
                    in northern areas.
Max humidity........42 to 62 percent. Lowest in southern areas,
                    highest along eastern and northern flanks.
CWR.................0 percent.
Wind - 20 foot......Northwest 5 to 11 mph with gusts to around 16
                    mph.
Mixing height.......200 ft AGL.
Transport winds.....North around 5 mph.
Ventilation Index...10 poor.

.MONDAY...

Sky/weather.........Cloudy. A 15 percent chance of
                    showers and thunderstorms in the evening.
Max temperature.....78 to 93. Coolest across northern areas,
                    warmest along southwest and southeast perimeters.
Min humidity........20 to 29 percent. Lowest along southern and
                    western edges.
CWR.................1 percent.
Wind - 20 foot......North 5 to 11 mph. Gusts around 16 mph in the
                    morning. Then, southerly 3 to 6 mph in the
                    afternoon (except east-northeast for northern
                    portion of fire)
Mixing height.......10500 ft AGL.
Transport winds.....Southwest around 10 mph.
Ventilation Index...1050 excellent.

$$
Forecaster...Henry
Requested by...Cody Collins
Type of request...WILDFIRE
.TAG 2619441.5/BOI
.DELDT 08/16/26
.FormatterVersion 2.0.0
.EMAIL danielsmith@blm.gov,cscollins@blm.gov