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 24, 11:00 PM MST until December 25, 11:00 AM MST

Current conditions at

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Lat: NA°NLon: NA°WElev: NAft.

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Humidity	NA
Wind Speed	NA
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Dewpoint	N/A
Visibility	NA
Wind Chill	°F (°C)
Heat Index	°F (°C)
Last update

More Information:

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

Extended Forecast for

19 Miles NNW Whitewater MT

Winter Weather Advisory December 24, 11:00pm until December 25, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 17 °F
Patchy Fog
then Chance
Wintry Mix
and Patchy
Fog
Christmas Day
High: 28 °F
Slight Chance
Freezing Rain
and Patchy
Fog then
Mostly Sunny
Thursday Night
Low: 15 °F
Mostly Cloudy
Friday
High: 30 °F
Chance
Freezing Rain
Friday Night
Low: 2 °F
Chance Wintry
Mix then
Chance Snow
Saturday
High: 16 °F
Chance Snow
and Blustery
Saturday Night
Low: -17 °F
Mostly Cloudy
and Blustery
then Partly
Cloudy
Sunday
High: 1 °F
Sunny
Sunday Night
Low: -8 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of sleet before 1am, then a chance of freezing rain between 1am and 4am, then a chance of freezing rain and sleet after 4am. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, cloudy, with a steady temperature around 17. East southeast wind 5 to 11 mph. Chance of precipitation is 30%. Little or no sleet accumulation expected.

Christmas Day

A slight chance of freezing rain before 7am. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 28. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 10%.

Thursday Night

Mostly cloudy, with a low around 15. South wind around 5 mph.

Friday

A chance of freezing rain, mainly after 5pm. Mostly cloudy, with a high near 30. South southwest wind 6 to 9 mph. Chance of precipitation is 30%.

Friday Night

A chance of freezing rain before 8pm, then a chance of snow. Mostly cloudy, with a low around 2. South wind 8 to 13 mph becoming northwest after midnight. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Saturday

A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 16. Blustery, with a northwest wind 15 to 24 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly cloudy, with a low around -17. Blustery, with a west northwest wind 14 to 22 mph, with gusts as high as 30 mph.

Sunday

Sunny, with a high near 1. Northwest wind 6 to 9 mph becoming south southwest in the afternoon.

Sunday Night

Partly cloudy, with a low around -8. South wind around 6 mph.

Monday

Partly sunny, with a high near 23. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.

Monday Night

Mostly cloudy, with a low around 12. West wind 11 to 14 mph.

Tuesday

A chance of flurries. Partly sunny, with a high near 30.