010
FNUS75 KBOI 181039
FWSBOI

Spot Forecast for Buckhorn...South Idaho
National Weather Service Boise ID
439 AM MDT Fri Sep 18 2026

Forecast is based on forecast start time of 0600 MDT on September 18.
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.

...FIRE WEATHER WATCH IN EFFECT THROUGH THIS EVENING FOR LIGHTNING...
...SHOWERS CONTINUE THROUGH SATURDAY...
...WARMING TEMPERATURES THIS WEEKEND...

.DISCUSSION...
Rain showers remain in the area today. The strongest showers will
occur this afternoon and evening, with a slight chance of
thunderstorms capable of producing gusty winds, small hail, and
lightning. While storms dissipate Friday night, rain showers
remain through Saturday afternoon. Although, cooler temperatures
today and tomorrow promote high relative humidity in the
afternoons and good RH recovery each morning. Sunday through early
next week warming and drying

.TODAY...

Sky/weather.........Mostly cloudy with a chance of showers. A
                    slight chance of thunderstorms in the
                    afternoon. Chance of precipitation 30 percent.
Max temperature.....54 to 59.
Min humidity........48 to 57 percent.
CWR.................10 percent.
Wind - 20 foot......North 3 to 7 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Mixing height.......4500 ft AGL.
Transport winds.....Northwest around 10 mph.
Ventilation Index...450 fair.

.TONIGHT...

Sky/weather.........Mostly cloudy in the evening then becoming
                    partly cloudy overnight. A slight chance of
                    thunderstorms in the evening. A slight chance
                    of rain showers. Chance of precipitation 20
                    percent.
Min temperature.....41 to 46.
Max humidity........76 to 81 percent.
CWR.................10 percent.
Wind - 20 foot......Northeast 3 to 7 mph. Gusty and erratic winds
                    expected near thunderstorms in the evening.
Mixing height.......100 ft AGL.
Transport winds.....North around 5 mph.
Ventilation Index...5 poor.

.SATURDAY...

Sky/weather.........Rain showers likely in the morning, then rain
                    showers in the afternoon. Chance of showers 60
                    percent.
Max temperature.....54 to 59.
Min humidity........49 to 58 percent.
CWR.................30 percent.
Wind - 20 foot......Northeast around 3 mph in the morning shifting
                    to the northwest around 6 mph in the afternoon.
Mixing height.......4500 ft AGL.
Transport winds.....Northwest around 10 mph.
Ventilation Index...450 fair.

$$
Forecaster...Macfarlane
Requested by...Mike Danahy
Type of request...WILDFIRE
.TAG 2621850.3/BOI
.DELDT 09/18/26
.FormatterVersion 2.0.0
.EMAIL joshua.switzer@usda.gov,ryder.bennett@usda.gov,stewart.schiffler@usda.gov,michael.danahy@usda.gov,edward.rablin@usda.gov,idscc@firenet.gov