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

33°F

1°C

Humidity 90%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 18 Jan 06:01 PM PST
Extended Forecast for

4 Miles NE Washington Pass WA

Air Stagnation Advisory January 18, 06:59pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 06:59pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 24 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 35. South wind 5 to 9 mph becoming light and variable.

    High: 35 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. West wind 11 to 16 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31. West wind 6 to 15 mph.

    High: 31 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. West wind around 9 mph.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after 4pm.  Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 24. North wind 9 to 11 mph becoming south after midnight.
M.L.King Day
Sunny, with a high near 35. South wind 5 to 9 mph becoming light and variable.
Monday Night
Partly cloudy, with a low around 25. West wind 11 to 16 mph.
Tuesday
Mostly sunny, with a high near 31. West wind 6 to 15 mph.
Tuesday Night
Mostly clear, with a low around 19. West wind around 9 mph.
Wednesday
Mostly sunny, with a high near 29.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
A 30 percent chance of snow after 4pm. Mostly sunny, with a high near 26.
Thursday Night
A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 17.
Friday
Snow likely, mainly after 4pm. Partly sunny, with a high near 22. Chance of precipitation is 60%.
Friday Night
Snow likely. Mostly cloudy, with a low around 10. Chance of precipitation is 60%.
Saturday
Snow likely. Partly sunny, with a high near 16. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 10. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 19. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Washington Pass WA
 48.55°N 120.59°W (Elev. 7031 ft)
3:07 pm PST Jan 18, 2026
6pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

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