323
FNUS75 KBOI 301013
FWSBOI

Spot Forecast for Mores South Rx...USFS
National Weather Service Boise ID
413 AM MDT Tue Sep 30 2025

Forecast is based on ignition time of 0700 MDT on September 30.
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.

...SHOWERS AND THUNDERSTORMS THIS AFTERNOON WITH GUSTY OUTFLOW WINDS
POSSIBLE...

...CHANCE OF SHOWERS CONTINUES THROUGH WEDNESDAY EVENING THEN DRIER
CONDITIONS INTO THE WEEKEND...

.DISCUSSION...
A low pressure system aloft will keep a chance of showers and
thunderstorms at the burn site this afternoon. Activity will
develop earlier today with the best chance for showers and storms
between 2PM and 8PM. Thunderstorms will track from south to north
and be capable of producing brief heavy rain and gusty outflow
winds to 35 mph. The chance of showers continues through Wednesday
evening while more stable conditions remove the thunderstorm threat.
The forecast trends drier and cooler from Thursday into the upcoming
weekend.

.REST OF TODAY...

Sky/weather.........Mostly cloudy. Patchy fog in the morning. A
                    chance of showers in the morning, then showers
                    likely and a chance of thunderstorms in the
                    afternoon. Chance of precipitation 60 percent.
Max temperature.....60 to 65.
Min humidity........58 to 63 percent.
CWR.................40 percent.
Wind - 20 foot......Southeast 3 to 5 mph becoming southwest 4 to
                    8 mph with gusts up to 14 mph in the afternoon.
                    Gusty and erratic winds to 35 mph expected near
                    thunderstorms in the afternoon.
Mixing height.......6000 ft AGL.
Transport winds.....South around 20 mph.
Ventilation Index...1200 excellent.

.TONIGHT...

Sky/weather.........Mostly cloudy with a chance of showers. A slight
                    chance of thunderstorms in the evening. Chance of
                    precipitation 50 percent.
Min temperature.....43 to 48.
Max humidity........75 to 80 percent.
CWR.................30 percent.
Wind - 20 foot......Southeast 3 to 6 mph. Gusts up to 14 mph in the
                    evening. Gusty and erratic winds up to 35 mph
                    expected near thunderstorms in the evening.
Mixing height.......300 ft AGL.
Transport winds.....South around 5 mph.
Ventilation Index...15 poor.

.WEDNESDAY...

Sky/weather.........Mostly cloudy with a 20 percent chance of
                    showers.
Max temperature.....56 to 61.
Min humidity........50 to 57 percent.
CWR.................10 percent.
Wind - 20 foot......Southeast 3 to 6 mph.
Mixing height.......5500 ft AGL.
Transport winds.....South around 15 mph.
Ventilation Index...825 excellent.

$$
Forecaster...Groenert
Requested by...E. Hunt
Type of request...PRESCRIBED
.TAG 2522550.6/BOI
.DELDT 09/30/25
.FormatterVersion 2.0.0
.EMAIL eduard.hunt@usda.gov