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

32°F

0°C

Humidity 84%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 19 Jan 03:01 AM PST
Extended Forecast for

4 Miles W Washington Pass WA

Air Stagnation Advisory January 19, 03:33am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 03:33am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 25 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 39. South wind 3 to 5 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. West wind around 7 mph.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. North wind around 7 mph becoming west in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 25. Southeast wind around 6 mph.
M.L.King Day
Sunny, with a high near 39. South wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 25. West wind around 7 mph.
Tuesday
Mostly sunny, with a high near 37. North wind around 7 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. Northwest wind around 6 mph.
Wednesday
Sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 30.
Friday Night
A 10 percent chance of snow. Partly cloudy, with a low around 18.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 30.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Washington Pass WA
 48.51°N 120.74°W (Elev. 6024 ft)
2:57 am PST Jan 19, 2026
3am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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