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

40°F

4°C

Humidity NA
Wind Speed E 6 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Wind Chill36°F (2°C)
Last update NA
Extended Forecast for

12 Miles S Trinity WA

Air Stagnation Advisory January 19, 12:41pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 12:41pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • M.L.King Day

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a steady temperature around 32. Northwest wind around 6 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. North wind around 6 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Northeast wind around 6 mph becoming light and variable  in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 39. Calm wind.
Tonight
Increasing clouds, with a steady temperature around 32. Northwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 38. Northeast wind around 6 mph becoming southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 26. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 37. Northeast wind around 6 mph becoming light and variable in the afternoon.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 26.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 35.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 35.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles S Trinity WA
 47.89°N 120.82°W (Elev. 3435 ft)
8:27 am PST Jan 19, 2026
12pm PST Jan 19, 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