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

10 Miles SW Trinity WA

Air Stagnation Advisory January 19, 12:44pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 12:44pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • M.L.King Day

    High: 38 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 33. West wind 8 to 11 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34. Northeast wind 7 to 10 mph becoming southeast in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. North wind around 9 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. Southeast wind 6 to 9 mph.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 38. Southeast wind 3 to 5 mph.
Tonight
Partly cloudy, with a steady temperature around 33. West wind 8 to 11 mph.
Tuesday
Mostly sunny, with a high near 34. Northeast wind 7 to 10 mph becoming southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 23. North wind around 9 mph.
Wednesday
Mostly sunny, with a high near 33. Southeast wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 22.
Friday
A 10 percent chance of snow after 4pm. Mostly sunny, with a high near 30.
Friday Night
A slight chance of snow before 10pm, then a chance of snow after 4am. Partly cloudy, with a low around 21. Chance of precipitation is 30%.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 30.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 30.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SW Trinity WA
 47.97°N 121°W (Elev. 5151 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