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

33°F

1°C

Humidity 98%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 25 Dec 01:01 PM PST
Extended Forecast for

Washington Pass WA

  • Christmas Day

    Christmas Day: Snow. The snow could be heavy at times. High near 22. Southeast wind around 8 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 22 °F

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before 7pm. The snow could be heavy at times. Low around 16. Southwest wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Heavy Snow
    then Chance
    Snow

  • Friday

    Friday: Snow, mainly after 10am. The snow could be heavy at times. High near 19. Wind chill values as low as -3. South wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 19 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm. Low around 3. Wind chill values as low as -14. Northwest wind around 16 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 3 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 10am. Mostly sunny and cold, with a high near 10. Northwest wind 11 to 15 mph.

    High: 10 °F

    Slight Chance
    Snow then
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 17.

    High: 17 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 22.

    High: 22 °F

    Mostly Cloudy

Detailed Forecast

Christmas Day
Snow. The snow could be heavy at times. High near 22. Southeast wind around 8 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow, mainly before 7pm. The snow could be heavy at times. Low around 16. Southwest wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow, mainly after 10am. The snow could be heavy at times. High near 19. Wind chill values as low as -3. South wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 3. Wind chill values as low as -14. Northwest wind around 16 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
A 20 percent chance of snow before 10am. Mostly sunny and cold, with a high near 10. Northwest wind 11 to 15 mph.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
Mostly cloudy, with a high near 22.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
A 10 percent chance of snow. Mostly cloudy, with a high near 26.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 26.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
New Year's Day
Snow likely. Mostly cloudy, with a high near 23. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington Pass WA
 48.51°N 120.64°W (Elev. 6827 ft)
Last Update:
1:11 pm PST Dec 25, 2025
Forecast Valid:
3pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation