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

27°F

-3°C

Humidity NA
Wind Speed E 11 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Wind Chill17°F (-8°C)
Last update NA
Extended Forecast for

10 Miles SSW Trinity WA

Air Stagnation Advisory January 18, 07:06pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 07:06pm 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 35. Light northwest wind.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Light and variable wind.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Light northeast wind.
M.L.King Day
Sunny, with a high near 42. Calm wind.
Monday Night
Mostly clear, with a steady temperature around 35. Light northwest wind.
Tuesday
Mostly sunny, with a high near 43. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 28. Calm wind.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Friday
A chance of rain and snow before 10am, then a chance of snow between 10am and 1pm, then rain and snow likely after 1pm. Partly sunny, with a high near 39. Chance of precipitation is 60%.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Saturday
Snow likely. Partly sunny, with a high near 34. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSW Trinity WA
 47.92°N 120.89°W (Elev. 2510 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