452
FNUS75 KBOI 142301
FWSBOI

Spot Forecast for Second Flat - Coleman Creek - Jackass Bute -...DOI
National Weather Service Boise ID
501 PM MDT Fri Aug 14 2026

Forecast is based on forecast start time of 0700 MDT on August 15.
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.

...LESSENING CHANCE OF THUNDERSTORMS SATURDAY...

.DISCUSSION...
Cloudy but dry early Saturday morning, then clearing.  Convective
clouds will form east of the request area Saturday afternoon with
a 10% chance of thunderstorms developing over the Coleman Creek and
Bald Mountain Fires, lasting until sunset Saturday.  Little or no
chance (i.e., 5% or less) of thunderstorms on or near the Second
Flat and Jackass Butte Fires.

.SATURDAY...

Sky/weather.........Mostly cloudy early then partly cloudy. A 10
                    percent chance of showers and thunderstorms in
                    the afternoon in eastern-most areas.
Max temperature.....70 to 85.
Min humidity........11 to 21 percent.
CWR.................0 percent.
Wind - 20 foot......Southwest 8 to 14 mph with gusts to around 22
                    mph. Gusty winds near any thunderstorms.
Mixing height.......10500 ft AGL.
Transport winds.....Southwest around 10 mph.
Ventilation Index...1050 excellent.

.SATURDAY NIGHT...

Sky/weather.........Becoming mostly cloudy, but no rain expected.
Min temperature.....45 to 60.
Max humidity........35 to 60 percent.
CWR.................0 percent.
Wind - 20 foot......Northwest 9 to 15 mph. Gusts up to 22 mph in
                    the evening.
Mixing height.......200 ft AGL.
Transport winds.....Northwest around 5 mph.
Ventilation Index...10 poor.

.SUNDAY...

Sky/weather.........Cloudy in the morning then becoming mostly
                    sunny in the afternoon.
Max temperature.....72 to 87.
Min humidity........12 to 22 percent.
CWR.................0 percent.
Wind - 20 foot......West 5 to 11 mph. Gusts up to 20 mph in the
                    afternoon.
Mixing height.......11500 ft AGL.
Transport winds.....Southwest around 10 mph.
Ventilation Index...1150 excellent.

$$
Forecaster...Colin
Requested by...Travis Clapp
Type of request...WILDFIRE
.TAG 2619721.0/BOI
.DELDT 08/15/26
.FormatterVersion 2.0.0
.EMAIL travis_clapp@ios.doi.gov