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

CARPENTER RIDGE (CDEC1)

Lat: 40.06866°NLon: 121.584°WElev: 4816.0ft.

NA

33°F

1°C

Humidity 99%
Wind Speed S 10 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 25 Dec 12:54 PM PST
Extended Forecast for

15 Miles SW Chester CA

Winter Storm Warning December 25, 02:05pm until December 26, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 25, 02:05pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Winter Storm Warning

  • Christmas Day

    High: 30 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Low around 25. Windy, with a southwest wind 31 to 34 mph, with gusts as high as 60 mph.  Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    Low: 25 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: Snow. The snow could be heavy at times.  High near 28. Breezy, with a south southwest wind 18 to 26 mph, with gusts as high as 45 mph.  Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 28 °F

    Heavy Snow
    and Breezy

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times.  Low around 23. Southwest wind 13 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Heavy Snow

  • Saturday

    Saturday: A 40 percent chance of snow.  Mostly sunny, with a high near 29. West wind around 5 mph.  New snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Christmas Day
Snow. The snow could be heavy at times. High near 30. Breezy, with a south southwest wind around 24 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 10 to 14 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around 25. Windy, with a southwest wind 31 to 34 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Friday
Snow. The snow could be heavy at times. High near 28. Breezy, with a south southwest wind 18 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Friday Night
Snow. The snow could be heavy at times. Low around 23. Southwest wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
A 40 percent chance of snow. Mostly sunny, with a high near 29. West wind around 5 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Sunny, with a high near 30.
Sunday Night
Mostly clear, with a low around 21.
Monday
Sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny, with a high near 37.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Sunny, with a high near 40.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SW Chester CA
 40.12°N 121.39°W (Elev. 6742 ft)
1:21 pm PST Dec 25, 2025
2pm PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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