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

2 Miles SSE Snoqualmie Pass WA

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Southeast wind 3 to 5 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. Light east wind.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 41. Light east wind.

    High: 41 °F

    Sunny

  • Wednesday Night

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

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain and snow after 4pm.  Sunny, with a high near 40. Chance of precipitation is 10%.

    High: 40 °F

    Sunny then
    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain and snow before 10pm, then a slight chance of snow after 4am.  Partly cloudy, with a low around 26. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. Calm wind.
Tuesday
Partly sunny, with a high near 40. Southeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 27. Light east wind.
Wednesday
Sunny, with a high near 41. Light east wind.
Wednesday Night
Partly cloudy, with a low around 27. Calm wind.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 26.
Friday
A slight chance of rain and snow after 4pm. Sunny, with a high near 40. Chance of precipitation is 10%.
Friday Night
A slight chance of rain and snow before 10pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 26. Chance of precipitation is 20%.
Saturday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 39.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Sunday
Rain and snow likely. Partly sunny, with a high near 41.
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:
2 Miles SSE Snoqualmie Pass WA
 47.39°N 121.4°W (Elev. 2759 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