National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Current conditions at

COTTAGE (STUC1)

Lat: 38.34587°NLon: 120.22952°WElev: 6064.0ft.

NA

37°F

3°C

Humidity 100%
Wind Speed SSE 26 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 24 Dec 06:54 PM PST
Extended Forecast for

6 Miles SSW Sonora Pass CA

Winter Storm Warning December 24, 07:32pm until December 26, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 24, 07:32pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Winter Storm Warning

  • Tonight

    Low: 28 °F

    Heavy Snow
    and Windy

  • Christmas Day

    Christmas Day: Snow before 4pm, then snow showers after 4pm. The snow could be heavy at times. Some thunder is also possible. High near 28. Windy, with a south southwest wind 36 to 45 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 26 to 32 inches possible.

    High: 28 °F

    Heavy Snow
    and Windy

  • Thursday Night

    Thursday Night: Snow showers before 7pm, then snow between 7pm and 1am, then snow showers after 1am. The snow could be heavy at times. Some thunder is also possible. Steady temperature around 27. Windy, with a south southwest wind 45 to 48 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 22 to 28 inches possible.

    Low: 27 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 25. Windy, with a southwest wind 35 to 40 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    High: 25 °F

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: Snow, mainly before 10pm. Low around 11. Southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 11 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 25. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 12. Breezy.

    Low: 12 °F

    Breezy.
    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Steady temperature around 28. Windy, with a south southwest wind 37 to 46 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 18 to 24 inches possible.
Christmas Day
Snow before 4pm, then snow showers after 4pm. The snow could be heavy at times. Some thunder is also possible. High near 28. Windy, with a south southwest wind 36 to 45 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 26 to 32 inches possible.
Thursday Night
Snow showers before 7pm, then snow between 7pm and 1am, then snow showers after 1am. The snow could be heavy at times. Some thunder is also possible. Steady temperature around 27. Windy, with a south southwest wind 45 to 48 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 22 to 28 inches possible.
Friday
Snow. The snow could be heavy at times. High near 25. Windy, with a southwest wind 35 to 40 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 11. Southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 30 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 25. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 12. Breezy.
Sunday
Sunny, with a high near 29.
Sunday Night
Mostly clear, with a low around 18. Blustery.
Monday
Sunny, with a high near 34. Breezy.
Monday Night
Mostly clear, with a low around 22.
Tuesday
Sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Sonora Pass CA
 38.24°N 119.65°W (Elev. 10243 ft)
Last Update:
1:21 pm PST Dec 24, 2025
Forecast Valid:
7pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation