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

GERBER RESERVOIR (GRBO3)

Lat: 42.20597°NLon: 121.13806°WElev: 4950.0ft.

NA

37°F

3°C

Humidity 81%
Wind Speed SE 11 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 24 Dec 10:45 PM PST
Extended Forecast for

9 Miles W Paisley OR

Wind Advisory December 25, 01:00am until December 25, 01:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A 50 percent chance of snow after 4am. Mostly cloudy, with a steady temperature around 34. Breezy, with a south wind 22 to 25 mph, with gusts as high as 38 mph. Total nighttime snow accumulation of around an inch possible.

    Low: 34 °F

    Chance Snow
    and Breezy

  • Christmas Day

    Christmas Day: Snow, mainly after 1pm. The snow could be heavy at times. Temperature falling to around 30 by 5pm. Windy, with a south wind 26 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F⇓

    Windy. Heavy
    Snow then
    Snow

  • Thursday Night

    Thursday Night: Snow, mainly before 4am. Steady temperature around 31. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 31 °F

    Snow and
    Breezy

  • Friday

    Friday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 31. Windy, with a south southwest wind 29 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 31 °F

    Snow Likely
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 23. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Breezy. Snow
    Likely then
    Slight Chance
    Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of snow after 4am. Mostly cloudy, with a steady temperature around 34. Breezy, with a south wind 22 to 25 mph, with gusts as high as 38 mph. Total nighttime snow accumulation of around an inch possible.
Christmas Day
Snow, mainly after 1pm. The snow could be heavy at times. Temperature falling to around 30 by 5pm. Windy, with a south wind 26 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow, mainly before 4am. Steady temperature around 31. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 31. Windy, with a south southwest wind 29 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 23. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Mostly clear, with a low around 23.
Monday
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles W Paisley OR
 42.69°N 120.72°W (Elev. 6394 ft)
Last Update:
10:31 pm PST Dec 24, 2025
Forecast Valid:
11pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation