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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

29°F

-2°C

Humidity 88%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 30 Dec 06:01 AM PST
Extended Forecast for

9 Miles ESE 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

  • Today

    High: 29 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 21. West wind 6 to 11 mph becoming light after midnight.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. West wind 3 to 6 mph.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18. West wind 3 to 5 mph.

    Low: 18 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 26. West wind 3 to 5 mph.

    High: 26 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 19. New snow accumulation of around an inch possible.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 25. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow. Low around 22. Chance of precipitation is 80%.

    Low: 22 °F

    Snow

Detailed Forecast

Today
Partly sunny, with a high near 29. West wind around 8 mph.
Tonight
Partly cloudy, with a low around 21. West wind 6 to 11 mph becoming light after midnight.
Wednesday
Mostly sunny, with a high near 31. West wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 18. West wind 3 to 5 mph.
New Year's Day
A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 26. West wind 3 to 5 mph.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19. New snow accumulation of around an inch possible.
Friday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 25. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow. Low around 22. Chance of precipitation is 80%.
Saturday
Snow likely. Mostly cloudy, with a high near 26. Chance of precipitation is 70%.
Saturday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 24.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Washington Pass WA
 48.46°N 120.5°W (Elev. 5915 ft)
Last Update:
3:31 am PST Dec 30, 2025
Forecast Valid:
6am PST Dec 30, 2025-6pm PST Jan 5, 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