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

HIDDEN VALLEY (HDVC1)

Lat: 40.44192°NLon: 120.62694°WElev: 4452.0ft.

NA

32°F

0°C

Humidity 99%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 25 Dec 04:11 PM PST
Extended Forecast for

Susanville CA

Winter Storm Warning December 25, 04:37pm until December 26, 10:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 25, 04:37pm until December 26, 10:00am

    NOW until 10:00am Fri

    Winter Storm Warning

  • Christmas Day

    High: 43 °F

    Rain/Snow and
    Areas Fog

  • Tonight

    Tonight: Rain and snow, becoming all snow after 1am. Areas of fog before 3am. Low around 30. Southeast wind around 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Rain/Snow and
    Areas Fog

  • Friday

    Friday: Snow likely before 1pm, then rain and snow. High near 41. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Likely
    then
    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 26. West wind around 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 26 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of snow before 10am. Mostly sunny, with a high near 40. Calm wind becoming northwest around 5 mph. Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16. North wind around 5 mph.

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Christmas Day
Rain and snow. Areas of fog after 5pm. Snow level 4700 feet. High near 43. Southeast wind around 15 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain and snow, becoming all snow after 1am. Areas of fog before 3am. Low around 30. Southeast wind around 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow likely before 1pm, then rain and snow. High near 41. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 26. West wind around 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A 30 percent chance of snow before 10am. Mostly sunny, with a high near 40. Calm wind becoming northwest around 5 mph. Little or no snow accumulation expected.
Saturday Night
Partly cloudy, with a low around 16. North wind around 5 mph.
Sunday
Sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 15.
Monday
Sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 24.
New Year's Day
Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Susanville CA
 40.41°N 120.67°W (Elev. 4383 ft)
Last Update:
1:15 pm PST Dec 25, 2025
Forecast Valid:
4pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation