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

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

Mist

20°F

-7°C

Humidity 91%
Wind Speed ENE 3 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 18°F (-8°C)
Visibility 1.50 mi
Last update 19 Jan 04:50 PM PST
Extended Forecast for

6 Miles E Snoqualmie Pass WA

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

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

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 39. Light southeast wind.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: A 10 percent chance of snow after 4am.  Partly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Clear
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 28. Calm wind.
Tuesday
Mostly sunny, with a high near 40. North wind around 5 mph becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 26. Light east wind.
Wednesday
Sunny, with a high near 39. Light southeast wind.
Wednesday Night
Partly cloudy, with a low around 26. Calm wind.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 38.
Friday Night
A 10 percent chance of snow after 4am. Partly cloudy, with a low around 25.
Saturday
A chance of snow, mainly after 10am. Partly sunny, with a high near 38.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 28.
Sunday
Rain and snow likely. Partly sunny, with a high near 39.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 32.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Snoqualmie Pass WA
 47.4°N 121.28°W (Elev. 3323 ft)
3:42 pm PST Jan 19, 2026
5pm PST Jan 19, 2026-6pm PST Jan 26, 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