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

34°F

1°C

Humidity 77%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 19 Jan 04:01 PM PST
Extended Forecast for

Washington Pass WA

Air Stagnation Advisory January 19, 05:13pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 05:13pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 35. North wind 5 to 7 mph becoming east in the afternoon.

    High: 35 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. West wind around 6 mph.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. Southwest wind around 6 mph.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. Southwest wind around 6 mph.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of snow after 4pm.  Sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. West wind 6 to 10 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 35. North wind 5 to 7 mph becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 32. Southwest wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 20. Southwest wind around 6 mph.
Thursday
Partly sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 17.
Friday
A 10 percent chance of snow after 4pm. Sunny, with a high near 28.
Friday Night
A slight chance of snow before 10pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 16. Chance of precipitation is 20%.
Saturday
A 30 percent chance of snow, mainly after 10am. Mostly sunny, with a high near 28.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Sunday
Snow likely. Partly sunny, with a high near 29. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
Washington Pass WA
 48.52°N 120.68°W (Elev. 5397 ft)
3:11 pm PST Jan 19, 2026
5pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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