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

9 Miles SSE Trinity WA

Air Stagnation Advisory January 18, 07:52pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 07:52pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 27 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 39. Calm wind.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a steady temperature around 33. Calm wind becoming northwest around 5 mph after midnight.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. North wind around 5 mph becoming calm  in the morning.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. Light north wind.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °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 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Light and variable wind.
M.L.King Day
Sunny, with a high near 39. Calm wind.
Monday Night
Mostly clear, with a steady temperature around 33. Calm wind becoming northwest around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 40. North wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 26. Light north wind.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 29.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 35.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24.
Saturday
A 50 percent chance of snow. Partly sunny, with a high near 29.
Saturday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Trinity WA
 47.96°N 120.77°W (Elev. 3504 ft)
3:07 pm PST Jan 18, 2026
7pm 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