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

31°F

-1°C

Humidity 76%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 20 Jan 04:01 AM PST
Extended Forecast for

5 Miles WSW Washington Pass WA

Air Stagnation Advisory January 20, 05:07am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 05:07am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 35 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 34. Northeast wind around 6 mph becoming south in the afternoon.

    High: 34 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. Southwest wind around 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 31. Southwest wind around 6 mph.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 35. North wind 6 to 10 mph becoming southeast in the afternoon.
Tonight
Mostly clear, with a low around 23. Southwest wind around 6 mph becoming northwest after midnight.
Wednesday
Sunny, with a high near 34. Northeast wind around 6 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 21. Southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 31. Southwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Sunny, with a high near 29.
Friday Night
Mostly clear, with a low around 15.
Saturday
Sunny, with a high near 31.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 19.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 30.
Sunday Night
Snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Washington Pass WA
 48.51°N 120.77°W (Elev. 5351 ft)
1:12 am PST Jan 20, 2026
5am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database