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.

33°F

1°C

Humidity	97%
Wind Speed	W 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	26 Dec 02:14 AM MST

More Information:

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

Extended Forecast for

20 Miles WSW Conner MT

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

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 23 °F
Snow Likely
Friday
High: 26 °F
Snow and
Patchy
Blowing Snow
Friday Night
Low: 10 °F
Heavy Snow
and Blowing
Snow
Saturday
High: 14 °F
Snow and
Blowing Snow
Saturday Night
Low: -1 °F
Partly Cloudy
Sunday
High: 13 °F
Mostly Sunny
Sunday Night
Low: 6 °F
Mostly Clear
Monday
High: 22 °F
Mostly Sunny
Monday Night
Low: 16 °F
Mostly Cloudy

Detailed Forecast

Overnight

Snow likely, mainly between 3am and 5am. Mostly cloudy, with a low around 23. South wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.

Friday

Snow, mainly before 5pm. Patchy blowing snow after 8am. High near 26. Breezy, with a southwest wind 17 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Snow, mainly after 10pm. The snow could be heavy at times. Widespread blowing snow, mainly after 8pm. Low around 10. Wind chill values as low as -9. Windy, with a west wind 25 to 33 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Saturday

Snow. Widespread blowing snow, mainly before 11am. High near 14. Wind chill values as low as -12. Windy, with a west wind 27 to 32 mph decreasing to 16 to 21 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Saturday Night

Partly cloudy, with a low around -1. West southwest wind 9 to 15 mph, with gusts as high as 22 mph.

Sunday

Mostly sunny, with a high near 13.

Sunday Night

Mostly clear, with a low around 6.

Monday

Mostly sunny, with a high near 22.

Monday Night

Mostly cloudy, with a low around 16.

Tuesday

Mostly cloudy, with a high near 28.