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

Lake County Airport (KLKV)

Lat: 42.15664°NLon: 120.39721°WElev: 4721.0ft.

Overcast

43°F

6°C

Humidity 81%
Wind Speed S 11 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 24 Dec 02:20 PM PST
Extended Forecast for

18 Miles SSE Paisley OR

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

  • This Afternoon

    This Afternoon: A 10 percent chance of rain after 4pm. Snow level 5700 feet. Partly sunny, with a high near 46. South wind around 17 mph, with gusts as high as 28 mph.

    High: 46 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A chance of rain before 1am, then a chance of rain and snow between 1am and 2am, then a chance of rain after 2am. Snow level 5100 feet rising to 5700 feet after midnight. Partly cloudy, with a steady temperature around 38. South wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 38 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Christmas Day

    Christmas Day: Snow likely, possibly mixed with rain, mainly after 2pm. Snow level 5600 feet lowering to 5000 feet in the afternoon . Increasing clouds, with a high near 42. Breezy, with a south wind around 23 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Snow, mainly before 4am. Low around 30. South wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 30 °F

    Snow

  • Friday

    Friday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 39. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely
    and Breezy

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 23. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of rain after 4pm. Snow level 5700 feet. Partly sunny, with a high near 46. South wind around 17 mph, with gusts as high as 28 mph.
Tonight
A chance of rain before 1am, then a chance of rain and snow between 1am and 2am, then a chance of rain after 2am. Snow level 5100 feet rising to 5700 feet after midnight. Partly cloudy, with a steady temperature around 38. South wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Christmas Day
Snow likely, possibly mixed with rain, mainly after 2pm. Snow level 5600 feet lowering to 5000 feet in the afternoon . Increasing clouds, with a high near 42. Breezy, with a south wind around 23 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow, mainly before 4am. Low around 30. South wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 39. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 23. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Sunny, with a high near 39.
Sunday Night
Mostly clear, with a low around 21.
Monday
Sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SSE Paisley OR
 42.48°N 120.37°W (Elev. 4787 ft)
Last Update:
2:21 pm PST Dec 24, 2025
Forecast Valid:
2pm PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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Chance of Precipitation