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

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

NA

32°F

0°C

Humidity 98%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 24 Dec 06:01 PM PST
Extended Forecast for

5 Miles WSW Washington Pass WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 15. Southwest wind 9 to 17 mph becoming east after midnight.

    Low: 15 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Snow, mainly after 1pm. High near 25. East wind around 11 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Chance Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow, mainly before 10pm. Low around 20. Southwest wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Snow then
    Snow Likely

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 24. Southwest wind 13 to 16 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 24 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm. Low around 9. Breezy, with a west wind 20 to 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 9 °F

    Breezy. Snow
    then Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 15.

    High: 15 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 15. Southwest wind 9 to 17 mph becoming east after midnight.
Christmas Day
Snow, mainly after 1pm. High near 25. East wind around 11 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow, mainly before 10pm. Low around 20. Southwest wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow. The snow could be heavy at times. High near 24. Southwest wind 13 to 16 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 9. Breezy, with a west wind 20 to 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
Partly sunny, with a high near 15.
Saturday Night
Mostly cloudy, with a low around 8.
Sunday
Partly sunny, with a high near 21.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Mostly cloudy, with a high near 26.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly cloudy, with a high near 30.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Wednesday
A 30 percent chance of snow. Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Washington Pass WA
 48.49°N 120.77°W (Elev. 6542 ft)
Last Update:
3:17 pm PST Dec 24, 2025
Forecast Valid:
7pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation