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

28°F

-2°C

Humidity NA
Wind Speed E 11 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Wind Chill18°F (-8°C)
Last update NA
Extended Forecast for

7 Miles SSE Trinity WA

Air Stagnation Advisory January 18, 08:12pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 08:12pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 28 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 42. Calm wind.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a steady temperature around 34. Light northwest wind.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. Light and variable wind.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Light and variable wind.
M.L.King Day
Sunny, with a high near 42. Calm wind.
Monday Night
Mostly clear, with a steady temperature around 34. Light northwest wind.
Tuesday
Mostly sunny, with a high near 42. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 27. Calm wind.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Friday
Snow likely, mainly after 4pm. Partly sunny, with a high near 38. Chance of precipitation is 60%.
Friday Night
Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Saturday
A 50 percent chance of snow. Partly sunny, with a high near 32.
Saturday Night
Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Trinity WA
 47.98°N 120.78°W (Elev. 2808 ft)
3:07 pm PST Jan 18, 2026
8pm PST Jan 18, 2026-6pm PST Jan 25, 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