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.

32°F

0°C

Humidity	99%
Wind Speed	SSW 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	26 Dec 02:46 AM MST

More Information:

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

Extended Forecast for

8 Miles SE Clinton 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: 28 °F
Chance Snow
Friday
High: 36 °F
Snow Likely
then Chance
Snow and
Breezy
Friday Night
Low: 19 °F
Snow Likely
then Heavy
Snow and
Patchy
Blowing Snow
Saturday
High: 23 °F
Snow
Saturday Night
Low: 7 °F
Partly Cloudy
Sunday
High: 20 °F
Mostly Sunny
Sunday Night
Low: 12 °F
Partly Cloudy
Monday
High: 27 °F
Partly Sunny
Monday Night
Low: 21 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of snow after 5am. Mostly cloudy, with a low around 28. South wind around 6 mph. Total nighttime snow accumulation of less than a half inch possible.

Friday

Snow likely, mainly before noon. Partly sunny, with a high near 36. Breezy, with a southwest wind 6 to 16 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday Night

Snow, mainly between 11pm and 2am. The snow could be heavy at times. Patchy blowing snow between midnight and 3am. Low around 19. West southwest wind 13 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow. High near 23. West wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Saturday Night

Partly cloudy, with a low around 7. West southwest wind 5 to 7 mph.

Sunday

Mostly sunny, with a high near 20.

Sunday Night

Partly cloudy, with a low around 12.

Monday

Partly sunny, with a high near 27.

Monday Night

Mostly cloudy, with a low around 21.

Tuesday

Mostly cloudy, with a high near 33.