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

FORT ROCK (FKFO3)

Lat: 43.43197°NLon: 120.83842°WElev: 4413.0ft.

NA

33°F

1°C

Humidity 86%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 24 Dec 08:45 PM PST
Extended Forecast for

2 Miles W Christmas Valley OR

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

  • Tonight

    Tonight: A chance of rain and snow before 1am, then a chance of rain between 1am and 4am. Snow level 4600 feet rising to 5300 feet. Mostly cloudy, with a steady temperature around 31. East wind 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow

  • Christmas Day

    Christmas Day: A slight chance of rain before 11am, then a chance of rain and snow after 1pm. Snow level 5400 feet lowering to 4900 feet in the afternoon . Mostly cloudy, then gradually becoming sunny, with a high near 45. South wind 11 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 45 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 7pm, then snow likely. Mostly cloudy, with a low around 27. South wind around 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow. Partly sunny, with a high near 42. South southwest wind 11 to 15 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 20. West southwest wind 9 to 11 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain and snow before 1am, then a chance of rain between 1am and 4am. Snow level 4600 feet rising to 5300 feet. Mostly cloudy, with a steady temperature around 31. East wind 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Christmas Day
A slight chance of rain before 11am, then a chance of rain and snow after 1pm. Snow level 5400 feet lowering to 4900 feet in the afternoon . Mostly cloudy, then gradually becoming sunny, with a high near 45. South wind 11 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 7pm, then snow likely. Mostly cloudy, with a low around 27. South wind around 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Partly sunny, with a high near 42. South southwest wind 11 to 15 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 20. West southwest wind 9 to 11 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Mostly clear, with a low around 13.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Christmas Valley OR
 43.25°N 120.69°W (Elev. 4380 ft)
Last Update:
5:21 pm PST Dec 24, 2025
Forecast Valid:
9pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation