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 until December 25, 05:00 AM MST

Current conditions at

DW0975 Kevin (D0975)

Lat: 48.74417°NLon: 111.96917°WElev: 3400.0ft.

15°F

-9°C

Humidity	90%
Wind Speed	SSW 0 MPH
Barometer	30.04 in (1017.27 mb)
Dewpoint	13°F (-11°C)
Visibility	NA
Last update	25 Dec 03:55 AM MST

More Information:

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

Extended Forecast for

2 Miles NNW Shelby MT

Winter Weather Advisory December 25, 04:05am until December 25, 05:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 25, 04:05am until December 25, 05:00am
NOW until 5:00am Thu
Winter Weather Advisory
Overnight
Low: 13 °F
Slight Chance
Freezing Rain
Christmas Day
High: 38 °F
Partly Sunny
Thursday Night
Low: 21 °F
Mostly Cloudy
Friday
High: 35 °F
Mostly Cloudy
Friday Night
Low: 0 °F
Slight Chance
Snow
Saturday
High: 10 °F
Chance Snow
then Mostly
Cloudy
Saturday Night
Low: -7 °F
Partly Cloudy
Sunday
High: 21 °F
Mostly Sunny

Detailed Forecast

Overnight

A slight chance of freezing rain. Mostly cloudy, with a steady temperature around 13. Calm wind. Chance of precipitation is 20%.

Christmas Day

Partly sunny, with a high near 38. Calm wind becoming south southeast around 6 mph in the afternoon.

Thursday Night

Mostly cloudy, with a low around 21. Southeast wind around 6 mph becoming south southwest after midnight.

Friday

Mostly cloudy, with a high near 35. South wind 6 to 10 mph, with gusts as high as 18 mph.

Friday Night

A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 0. Southwest wind 9 to 14 mph becoming north northwest after midnight. Winds could gust as high as 22 mph.

Saturday

A 30 percent chance of snow before 11am. Mostly cloudy, with a high near 10. North northwest wind 17 to 21 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around -7. North northwest wind 9 to 14 mph becoming light west after midnight. Winds could gust as high as 21 mph.

Sunday

Mostly sunny, with a high near 21. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 11.

Monday

Partly sunny, with a high near 37.

Monday Night

Mostly cloudy, with a low around 23.

Tuesday

Partly sunny, with a high near 41.