568 
FNUS75 KBOI 290953
FWSBOI

Spot Forecast for Cold RX...USFS
National Weather Service Boise ID
353 AM MDT Mon Sep 29 2025

Forecast is based on ignition time of 0500 MDT on September 29. 
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.

...BREEZY WITH SHOWERS AND THUNDERSTORMS THIS AFTERNOON...

.DISCUSSION...
Southerly flow aloft will bring breezy conditions to the burn site
today. Winds will pick up by mid-morning and remain breezy through
the evening. Showers will build around the burn site by early 
afternoon, increasing in coverage in through the evening. 
Thunderstorms are possible, mostly after 3 PM this afternoon and will
be accompanied by gusty outflow winds up to 40 mph. Showers and a
chance of thunderstorms will continue through about midnight tonight
bringing precipitation amounts of 0.25-0.50 inches of rain by Tuesday 
morning. Tuesday will see further cooling along with showers and a 
slight chance of thunderstorms. 

.TODAY...

Sky/weather.........Mostly cloudy. A chance of showers and 
                    thunderstorms, mainly in the afternoon. Chance 
                    of precipitation 30 percent. 
Max temperature.....62 to 67. 
Min humidity........45 to 50 percent. 
CWR.................15 percent. 
Wind - 20 foot......Northeast around 4 mph in the early morning, 
                    becoming south 4 to 8 mph with gusts up to 
                    16 mph after 9AM local. Gusty and erratic winds 
                    to 40 mph expected near thunderstorms.
Mixing height.......3000 ft AGL. 
Transport winds.....South around 20 mph. 
Ventilation Index...600 good. 

.TONIGHT...

Sky/weather.........Showers and a slight chance of thunderstorms. 
                    Chance of precipitation 90 percent. 
Min temperature.....44 to 49. 
Max humidity........95 to 100 percent. 
CWR.................80 percent. 
Wind - 20 foot......South around 5 mph. Gusty and erratic winds 
                    to 40 mph expected near thunderstorms. 
Mixing height.......300 ft AGL. 
Transport winds.....Southwest around 5 mph. 
Ventilation Index...15 poor. 

$$
Forecaster...Groenert
Requested by...Nathan Robinson
Type of request...PRESCRIBED
.TAG 2522622.2/BOI
.DELDT 09/29/25
.FormatterVersion 2.0.0
.EMAIL nathan.robinson@usda.gov