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

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 26. South wind around 6 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 26 °F

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before 7pm. The snow could be heavy at times. Low around 19. Southwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Heavy Snow
    then Chance
    Snow

  • Friday

    Friday: Snow, mainly after 10am. The snow could be heavy at times. High near 24. South wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 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 6. Wind chill values as low as -9. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 6 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 10am. Mostly sunny, with a high near 14. Northwest wind around 10 mph, with gusts as high as 18 mph.

    High: 14 °F

    Slight Chance
    Snow then
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 6.

    Low: 6 °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 13.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy

Detailed Forecast

Christmas Day
Snow. The snow could be heavy at times. High near 26. South wind around 6 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before 7pm. The snow could be heavy at times. Low around 19. Southwest wind around 7 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 24. South wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 6. Wind chill values as low as -9. Northwest wind around 10 mph, with gusts as high as 21 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, with a high near 14. Northwest wind around 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 21.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Mostly cloudy, with a high near 26.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
A 10 percent chance of snow. Mostly cloudy, with a high near 31.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 31.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
New Year's Day
Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington Pass WA
 48.53°N 120.65°W (Elev. 5617 ft)
Last Update:
3:48 pm PST Dec 25, 2025
Forecast Valid:
4pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation