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

STEVI (STVM8)

Lat: 46.55617°NLon: 114.07435°WElev: 3205.0ft.

33°F

1°C

Humidity	100%
Wind Speed	SSW 0 MPH
Barometer	NA
Dewpoint	33°F (1°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

10 Miles ESE Stevensville 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: 31 °F
Snow Likely
Friday
High: 36 °F
Snow Likely
and Patchy
Blowing Snow
Friday Night
Low: 20 °F
Snow Likely
then Heavy
Snow and
Patchy
Blowing Snow
Saturday
High: 24 °F
Snow
Saturday Night
Low: 7 °F
Partly Cloudy
Sunday
High: 22 °F
Mostly Sunny
Sunday Night
Low: 14 °F
Mostly Clear
Monday
High: 29 °F
Partly Sunny
Monday Night
Low: 23 °F
Mostly Cloudy

Detailed Forecast

Overnight

Snow likely, mainly after 5am. Mostly cloudy, with a low around 31. South southwest wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

Friday

Snow likely, mainly before noon. Patchy blowing snow between 11am and noon. Mostly cloudy, with a high near 36. Breezy, with a south southwest wind 8 to 13 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Friday Night

Snow, mainly before 4am. The snow could be heavy at times. Patchy blowing snow between midnight and 2am. Low around 20. Southwest wind 16 to 21 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow. High near 24. West southwest wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Saturday Night

Partly cloudy, with a low around 7. West wind 6 to 11 mph becoming light and variable in the evening.

Sunday

Mostly sunny, with a high near 22.

Sunday Night

Mostly clear, with a low around 14.

Monday

Partly sunny, with a high near 29.

Monday Night

Mostly cloudy, with a low around 23.

Tuesday

Mostly cloudy, with a high near 35.