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

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901.0ft.

unknown precip

36°F

2°C

Humidity	99%
Wind Speed	WSW 3 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Last update	25 Dec 10:32 PM MST

More Information:

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

Extended Forecast for

7 Miles SSE Clinton 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: 29 °F
Snow Likely
Friday
High: 36 °F
Snow Likely
and Breezy
Friday Night
Low: 20 °F
Snow and
Patchy
Blowing Snow
Saturday
High: 23 °F
Snow and
Areas Blowing
Snow
Saturday Night
Low: 8 °F
Partly Cloudy
Sunday
High: 21 °F
Mostly Sunny
Sunday Night
Low: 13 °F
Partly Cloudy
Monday
High: 28 °F
Mostly Sunny
Monday Night
Low: 21 °F
Mostly Cloudy

Detailed Forecast

Tonight

A chance of snow before 2am, then snow likely after 4am. Mostly cloudy, with a low around 29. South southwest wind 7 to 9 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

Friday

Snow likely. Mostly cloudy, with a high near 36. Breezy, with a south wind 7 to 17 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday Night

Snow, mainly after 11pm. Patchy blowing snow after 8pm. Low around 20. Breezy, with a southwest wind 18 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow. Areas of blowing snow before 11am. High near 23. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Saturday Night

Partly cloudy, with a low around 8. West southwest wind 6 to 8 mph.

Sunday

Mostly sunny, with a high near 21.

Sunday Night

Partly cloudy, with a low around 13.

Monday

Mostly sunny, with a high near 28.

Monday Night

Mostly cloudy, with a low around 21.

Tuesday

Mostly cloudy, with a high near 34.