National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

20°F

-7°C

Humidity 93%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 01 Jan 06:01 AM PST
Extended Forecast for

Washington Pass WA

Air Stagnation Advisory until January 1, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • New Year's Day

    High: 26 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly after 10pm. Temperature rising to around 28 by 5am. South wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F⇑

    Snow

  • Friday

    Friday: Snow. High near 27. West wind around 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 27 °F

    Snow

  • Friday Night

    Friday Night: Snow. Low around 24. West wind around 9 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 24 °F

    Snow

  • Saturday

    Saturday: Snow. High near 28. Southwest wind 9 to 11 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 28 °F

    Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 22. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Heavy Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 24. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 24 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °F

    Snow Likely

Detailed Forecast

New Year's Day
A 30 percent chance of snow, mainly between 10am and 4pm. Mostly cloudy, with a high near 26. Southwest wind around 7 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly after 10pm. Temperature rising to around 28 by 5am. South wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow. High near 27. West wind around 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow. Low around 24. West wind around 9 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday
Snow. High near 28. Southwest wind 9 to 11 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow. The snow could be heavy at times. Low around 22. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 24. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Monday
Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 23.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 18. Chance of precipitation is 70%.
Wednesday
Snow likely. Mostly cloudy, with a high near 22. 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:
2:53 am PST Jan 1, 2026
Forecast Valid:
6am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation