Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

NA

30°F

-1°C

Humidity 77%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 20 Jan 06:01 AM PST
Extended Forecast for

4 Miles SE Washington Pass WA

Air Stagnation Advisory January 20, 06:42am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 06:42am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 30 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 21. West wind 9 to 11 mph.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 30. Southwest wind 6 to 10 mph.

    High: 30 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18. Southwest wind 7 to 10 mph.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 26. West wind 6 to 9 mph.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 25.

    High: 25 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 30. Blustery, with a north wind 13 to 18 mph becoming east 6 to 11 mph in the afternoon.
Tonight
Mostly clear, with a low around 21. West wind 9 to 11 mph.
Wednesday
Sunny, with a high near 30. Southwest wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 18. Southwest wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 26. West wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Sunny, with a high near 25.
Friday Night
Mostly clear, with a low around 12.
Saturday
Sunny, with a high near 26.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 17.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 25.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Washington Pass WA
 48.49°N 120.61°W (Elev. 7392 ft)
1:12 am PST Jan 20, 2026
6am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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