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

29°F

-2°C

Humidity 98%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 25 Dec 04:01 AM PST
Extended Forecast for

4 Miles SE Washington Pass WA

  • Christmas Day

    Christmas Day: Snow, mainly after 7am. High near 26. West wind around 7 mph becoming east in the morning. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 26 °F

    Snow Likely
    then Snow

  • Tonight

    Tonight: Snow likely, mainly before 7pm. Mostly cloudy, with a low around 20. Southwest wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Snow Likely

  • Friday

    Friday: Snow, mainly after 7am. The snow could be heavy at times. High near 26. South wind 8 to 11 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 26 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm. Low around 10. Wind chill values as low as -6. West wind around 17 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 10 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 15. Northwest wind 9 to 14 mph.

    High: 15 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Sunday Night

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

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

Detailed Forecast

Christmas Day
Snow, mainly after 7am. High near 26. West wind around 7 mph becoming east in the morning. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow likely, mainly before 7pm. Mostly cloudy, with a low around 20. Southwest wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow, mainly after 7am. The snow could be heavy at times. High near 26. South wind 8 to 11 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 10. Wind chill values as low as -6. West wind around 17 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
Mostly sunny, with a high near 15. Northwest wind 9 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Partly sunny, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Mostly cloudy, with a high near 28.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly cloudy, with a high near 31.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A 40 percent chance of snow. Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Washington Pass WA
 48.47°N 120.57°W (Elev. 5427 ft)
Last Update:
2:17 am PST Dec 25, 2025
Forecast Valid:
4am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation