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

40°F

4°C

Humidity 83%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 24 Dec 01:45 PM PST
Extended Forecast for

8 Miles N Christmas Valley 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: Partly sunny, with a high near 48. South southwest wind around 18 mph, with gusts as high as 30 mph.

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of rain and snow before 4am, then a slight chance of snow. Snow level 4900 feet. Mostly cloudy, with a low around 28. East southeast wind 5 to 11 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance
    Rain/Snow

  • Christmas Day

    Christmas Day: A slight chance of rain and snow before 11am, then a chance of rain and snow after 2pm. Snow level 5400 feet lowering to 4900 feet in the afternoon . Mostly cloudy, then gradually becoming sunny, with a high near 45. Breezy, with a south wind 15 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly after 10pm. Mostly cloudy, with a low around 28. South southeast wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 41. South southwest wind 13 to 16 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 22. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 48. South southwest wind around 18 mph, with gusts as high as 30 mph.
Tonight
A chance of rain and snow before 4am, then a slight chance of snow. Snow level 4900 feet. Mostly cloudy, with a low around 28. East southeast wind 5 to 11 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Christmas Day
A slight chance of rain and snow before 11am, then a chance of rain and snow after 2pm. Snow level 5400 feet lowering to 4900 feet in the afternoon . Mostly cloudy, then gradually becoming sunny, with a high near 45. Breezy, with a south wind 15 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around 28. South southeast wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 41. South southwest wind 13 to 16 mph, with gusts as high as 24 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 22. 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 13.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 15.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles N Christmas Valley OR
 43.36°N 120.66°W (Elev. 4554 ft)
Last Update:
1:31 pm PST Dec 24, 2025
Forecast Valid:
2pm PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation