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

LARCH MT. (TR951)

Lat: 45.72306°NLon: 122.34528°WElev: 1150.0ft.

NA

51°F

11°C

Humidity 58%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 25 Dec 10:09 AM PST
Extended Forecast for

7 Miles NNW Red Rock Ranch WA

Winter Weather Advisory December 26, 04:00am until December 27, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Christmas Day

    Christmas Day: Rain before 5pm, then a chance of rain and snow. Snow level 5000 feet lowering to 4300 feet. High near 38. Windy, with a south southeast wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 38 °F

    Rain and
    Windy then
    Rain/Snow
    Likely and
    Breezy

  • Tonight

    Tonight: A chance of rain and snow before 9pm, then snow likely after 1am. Increasing clouds, with a low around 31. Southeast wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 31 °F

    Chance
    Rain/Snow
    then Snow
    Likely

  • Friday

    Friday: Snow showers. Temperature falling to around 30 by 4pm. Breezy, with a southwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 34 °F⇓

    Snow Showers
    and Breezy

  • Friday Night

    Friday Night: Snow showers, mainly before 4am. Low around 28. Windy, with a west southwest wind around 24 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 28 °F

    Snow Showers
    and Windy

  • Saturday

    Saturday: A 50 percent chance of snow showers, mainly before 10am. Mostly cloudy, with a high near 30. Breezy, with a west wind 9 to 17 mph, with gusts as high as 26 mph. New snow accumulation of around an inch possible.

    High: 30 °F

    Chance Snow
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. Breezy.

    Low: 26 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Partly sunny, with a high near 34. Breezy.

    High: 34 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Christmas Day
Rain before 5pm, then a chance of rain and snow. Snow level 5000 feet lowering to 4300 feet. High near 38. Windy, with a south southeast wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow before 9pm, then snow likely after 1am. Increasing clouds, with a low around 31. Southeast wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow showers. Temperature falling to around 30 by 4pm. Breezy, with a southwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow showers, mainly before 4am. Low around 28. Windy, with a west southwest wind around 24 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
A 50 percent chance of snow showers, mainly before 10am. Mostly cloudy, with a high near 30. Breezy, with a west wind 9 to 17 mph, with gusts as high as 26 mph. New snow accumulation of around an inch possible.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 26. Breezy.
Monday
Partly sunny, with a high near 34. Breezy.
Monday Night
Mostly cloudy, with a low around 27. Blustery.
Tuesday
Partly sunny, with a high near 34. Breezy.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 29.
Wednesday
A chance of rain. Mostly cloudy, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Red Rock Ranch WA
 45.74°N 122.24°W (Elev. 3530 ft)
Last Update:
9:46 am PST Dec 25, 2025
Forecast Valid:
10am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation