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

Stevens Pass - Tye Mill (STS54)

Lat: 47.73163°NLon: 121.0853°WElev: 5180.0ft.

NA

43°F

6°C

Humidity NA
Wind Speed W 3 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

7 Miles SSE Trinity WA

Air Stagnation Advisory January 20, 05:43am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 05:43am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. Light north wind.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 38. Calm wind.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 39. Light and variable wind.
Tonight
Mostly clear, with a low around 25. Light north wind.
Wednesday
Sunny, with a high near 38. Calm wind.
Wednesday Night
Partly cloudy, with a low around 25. Calm wind.
Thursday
Mostly sunny, with a high near 37. Calm wind.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Sunny, with a high near 38.
Friday Night
Mostly clear, with a low around 22.
Saturday
Sunny, with a high near 38.
Saturday Night
A 20 percent chance of snow after 10pm. Partly cloudy, with a low around 25.
Sunday
A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Monday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Trinity WA
 47.98°N 120.78°W (Elev. 2808 ft)
1:12 am PST Jan 20, 2026
5am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database