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

19°F

-7°C

Humidity 95%
Wind Speed NNE 4 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 18°F (-8°C)
Visibility 1.00 mi
Wind Chill13°F (-11°C)
Last update 18 Jan 11:22 PM PST
Extended Forecast for

9 Miles SSE Snoqualmie Pass WA

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 30. East wind around 10 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 40. East wind 6 to 9 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a steady temperature around 34. East wind around 6 mph becoming calm  in the evening.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. East wind around 7 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. East wind around 7 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 10 percent chance of snow after 4pm.  Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after 10pm.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 30. East wind around 10 mph, with gusts as high as 18 mph.
M.L.King Day
Sunny, with a high near 40. East wind 6 to 9 mph.
Monday Night
Mostly clear, with a steady temperature around 34. East wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 38. East wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 26. East wind around 7 mph.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
A 10 percent chance of snow after 4pm. Partly sunny, with a high near 35.
Thursday Night
A 30 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 28.
Friday
A chance of snow. Partly sunny, with a high near 33.
Friday Night
A chance of snow. Mostly cloudy, with a low around 27.
Saturday
A chance of snow. Partly sunny, with a high near 31.
Saturday Night
Snow likely. Mostly cloudy, with a low around 25.
Sunday
Snow likely. Mostly cloudy, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Snoqualmie Pass WA
 47.28°N 121.37°W (Elev. 4012 ft)
9:15 pm PST Jan 18, 2026
11pm 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