Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 26, 05:00 AM MST until December 27, 08:00 PM MST

Current conditions at

WEST FORK (WSFM8)

Lat: 45.81556°NLon: 114.25833°WElev: 4420.0ft.

34°F

1°C

Humidity	97%
Wind Speed	SW 1 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	25 Dec 11:14 PM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

14 Miles W Lost Trail Pass MT

Winter Weather Advisory December 26, 05:00am until December 27, 08:00pm

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 27 °F
Snow Likely
Friday
High: 31 °F
Snow Likely
and Breezy
Friday Night
Low: 16 °F
Snow
Saturday
High: 18 °F
Snow
Saturday Night
Low: 2 °F
Partly Cloudy
Sunday
High: 18 °F
Mostly Sunny
Sunday Night
Low: 9 °F
Mostly Clear
Monday
High: 27 °F
Mostly Sunny
Monday Night
Low: 20 °F
Mostly Cloudy

Detailed Forecast

Tonight

Snow likely, mainly before 4am. Mostly cloudy, with a low around 27. South southeast wind around 7 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.

Friday

Snow likely, mainly between 7am and noon. Mostly cloudy, with a high near 31. Breezy, with a southwest wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Friday Night

Snow, mainly after 11pm. Low around 16. West southwest wind 15 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Saturday

Snow. High near 18. Wind chill values as low as zero. West northwest wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

Partly cloudy, with a low around 2. West northwest wind around 6 mph becoming calm in the evening.

Sunday

Mostly sunny, with a high near 18.

Sunday Night

Mostly clear, with a low around 9.

Monday

Mostly sunny, with a high near 27.

Monday Night

Mostly cloudy, with a low around 20.

Tuesday

Mostly cloudy, with a high near 32.