429
FNUS75 KBOI 271934
FWSBOI

Spot Forecast for SHAKE...BDC
National Weather Service Boise ID
134 PM MDT Tue Oct 27 2026

Forecast is based on forecast start time of 1400 MDT on October 27.
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.

...SLIGHT CHANCE FOR SHOWERS THIS AFTERNOON...

.DISCUSSION...
Showers will increase this afternoon as weak low pressure system
moves through the area. Overall, chances are low for rain, around
15%. Light upvalley (southerly) winds this afternoon through this
evening. Winds will remain light and from the south through
Wednesday as the area remains under southwesterly flow. As another
low pressures system deepens along the Pacific Northwest coast
later on Wednesday into Thursday southerly winds along with
temperatures will gradually increase. This will also allow for
better mixing. No significant precipitation expected through
Thursday.

.REST OF TODAY...

Sky/weather.........Mostly cloudy. A 15% chance for rain showers.
Max temperature.....43 to 48.
Min humidity........58 to 63 percent.
CWR.................0 percent.
Wind - 20 foot......Southwest around 6 mph.
Mixing height.......3500 ft AGL.
Transport winds.....Southwest around 10 mph.
Ventilation Index...350 fair.

.TONIGHT...

Sky/weather.........Mostly cloudy.
Min temperature.....34 to 39.
Max humidity........79 to 84 percent.
CWR.................0 percent.
Wind - 20 foot......South 3 to 6 mph.
Mixing height.......300 ft AGL.
Transport winds.....South around 5 mph.
Ventilation Index...15 poor.

.WEDNESDAY...

Sky/weather.........Mostly cloudy.
Max temperature.....44 to 49.
Min humidity........48 to 53 percent.
CWR.................0 percent.
Wind - 20 foot......South 4 to 8 mph.
Mixing height.......4000 ft AGL.
Transport winds.....South around 15 mph.
Ventilation Index...600 good.

$$
Forecaster...Smith
Requested by...SHAKE IC
Type of request...WILDFIRE
.TAG 2624693.0/BOI
.DELDT 10/27/26
.FormatterVersion 2.0.0
.EMAIL idbdc@firenet.gov