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 >

Current conditions at

MANZANITA LAKE (VIOC1)

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

NA

32°F

0°C

Humidity 94%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 25 Dec 09:52 AM PST
Extended Forecast for

21 Miles NW Chester CA

Winter Storm Warning December 25, 10:17am until December 26, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 25, 10:17am until December 26, 10:00pm

    NOW until 10:00pm Fri

    Winter Storm Warning

  • Christmas Day

    High: 25 °F

    Heavy Snow
    and Windy

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Steady temperature around 25. Breezy, with a south southwest wind around 29 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible.

    Low: 25 °F

    Heavy Snow
    and Breezy

  • Friday

    Friday: Snow. The snow could be heavy at times.  High near 26. Breezy, with a south southwest wind 21 to 26 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    High: 26 °F

    Heavy Snow
    and Breezy

  • Friday Night

    Friday Night: Snow, mainly before 4am. The snow could be heavy at times.  Low around 19. West southwest wind 7 to 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 19 °F

    Heavy Snow
    then Snow
    Likely

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before 10am.  Mostly sunny, with a high near 27. South wind around 6 mph becoming north northwest in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 22.

    Low: 22 °F

    Clear

Detailed Forecast

Christmas Day
Snow. The snow could be heavy at times. Steady temperature around 25. Windy, with a south southwest wind 29 to 31 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 18 to 24 inches possible.
Tonight
Snow. The snow could be heavy at times. Steady temperature around 25. Breezy, with a south southwest wind around 29 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible.
Friday
Snow. The snow could be heavy at times. High near 26. Breezy, with a south southwest wind 21 to 26 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Friday Night
Snow, mainly before 4am. The snow could be heavy at times. Low around 19. West southwest wind 7 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Saturday
A 40 percent chance of snow, mainly before 10am. Mostly sunny, with a high near 27. South wind around 6 mph becoming north northwest in the afternoon. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Clear, with a low around 22.
Monday
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Sunny, with a high near 42.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NW Chester CA
 40.48°N 121.54°W (Elev. 7500 ft)
1:21 am PST Dec 25, 2025
10am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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