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 >

Current conditions at

Chief Joseph Dam (CJDW)

Lat: 47.99083°NLon: 119.63556°WElev: 996.0ft.

NA

35°F

2°C

Humidity 90%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 25 Dec 10:00 PM PST
Extended Forecast for

4 Miles N Mansfield WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. South wind around 7 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow before 1pm, then a chance of rain and snow between 1pm and 3pm, then a chance of snow after 3pm. Partly sunny, with a high near 34. South wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 34 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 20. West wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 25. North wind 10 to 13 mph.

    High: 25 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 15. North wind around 8 mph.

    Low: 15 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. South wind around 7 mph.
Friday
A slight chance of snow before 1pm, then a chance of rain and snow between 1pm and 3pm, then a chance of snow after 3pm. Partly sunny, with a high near 34. South wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 20. West wind 11 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 25. North wind 10 to 13 mph.
Saturday Night
Mostly cloudy, with a low around 15. North wind around 8 mph.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Mostly cloudy, with a high near 27.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly cloudy, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly cloudy, with a high near 33.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27.
New Year's Day
A 20 percent chance of snow. Mostly cloudy, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Mansfield WA
 47.87°N 119.64°W (Elev. 2201 ft)
Last Update:
9:12 pm PST Dec 25, 2025
Forecast Valid:
10pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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