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 Storm Warning until December 26, 10:00 PM PST

Current conditions at

MANZANITA LAKE (VIOC1)

Lat: 40.54011°NLon: 121.58016°WElev: 5732.0ft.

35°F

2°C

Humidity	90%
Wind Speed	S 4 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Wind Chill	32°F (0°C)
Last update	25 Dec 01:52 AM PST

More Information:

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

Extended Forecast for

22 Miles NW Chester CA

Winter Storm Warning December 25, 02:17am until December 26, 10:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 25, 02:17am until December 26, 10:00pm
NOW until 10:00pm Fri
Winter Storm Warning
Overnight
Low: 29 °F
Heavy Snow
and Windy
Christmas Day
High: 28 °F
Heavy Snow
and Windy
Thursday Night
Low: 22 °F
Heavy Snow
and Windy
Friday
High: 26 °F
Heavy Snow
and Windy
Friday Night
Low: 20 °F
Snow then
Snow Likely
Saturday
High: 27 °F
Chance Snow
Saturday Night
Low: 17 °F
Partly Cloudy
Sunday
High: 31 °F
Sunny

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Steady temperature around 29. Windy, with a south wind around 36 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 14 inches possible.

Christmas Day

Snow. The snow could be heavy at times. High near 28. Windy, with a south southwest wind 34 to 39 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 22. Windy, with a south southwest wind 32 to 36 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

Friday

Snow. The snow could be heavy at times. High near 26. Windy, with a south southwest wind 26 to 31 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Snow, mainly before 4am. Low around 20. West southwest wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Saturday

A 40 percent chance of snow, mainly before 10am. Mostly sunny, with a high near 27. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 17.

Sunday

Sunny, with a high near 31.

Sunday Night

Clear, with a low around 22.

Monday

Sunny, with a high near 37.

Monday Night

Clear, with a low around 28.