607 
FNUS75 KBOI 261115
FWSBOI

Spot Forecast for Cold RX...USFS
National Weather Service Boise ID
515 AM MDT Fri Sep 26 2025

Forecast is based on ignition time of 0600 MDT on September 26. 
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 RIDGETOPS TODAY...
...COLDER WITH WETTING RAINS BEGINNING MONDAY...

.DISCUSSION...
Breezy today behind a dry cold frontal passage. Warming until 
Sunday before a stark weather change Sunday night through 
Wednesday. Multiple days of CWR near 50%, temps cooling 5-10 
degrees each day. Embedded storms are possible, but cloudiness and
a cooler surface will inhibit instability. Min RHs rise from 20% 
this weekend to 60-80% Monday/Tuesday. Ridgetops become gusty 
during that same period.

.TODAY...

Sky/weather.........Sunny. 
Max temperature.....63 to 68. 
Min humidity........22 to 27 percent. 
Wind - 20 foot......North 4 to 9 mph, gusts to 15 mph. 
Mixing height.......5500 ft AGL. 
Transport winds.....Northwest around 10 mph. 

.TONIGHT...

Sky/weather.........Mostly clear. 
Min temperature.....41 to 46. 
Max humidity........47 to 52 percent. 
Wind - 20 foot......North 3 to 6 mph. 
Mixing height.......100 ft AGL. 
Transport winds.....Northeast around 5 mph. 

.SATURDAY...

Sky/weather.........Sunny. 
Max temperature.....67 to 72. 
Min humidity........22 to 27 percent. 
Wind - 20 foot......East 3 to 6 mph in the morning shifting to the 
                    south around 5 mph in the afternoon. 
Mixing height.......3000 ft AGL. 
Transport winds.....South around 15 mph. 

$$
Forecaster...Macfarlane
Requested by...Nathan Robinson
Type of request...PRESCRIBED
.TAG 2522557.0/BOI
.DELDT 09/26/25
.FormatterVersion 2.0.0
.EMAIL nathan.robinson@usda.gov