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.

Overcast

20°F

-7°C

Humidity 91%
Wind Speed NNE 4 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 18°F (-8°C)
Visibility 7.00 mi
Wind Chill14°F (-10°C)
Last update 18 Jan 09:56 PM PST
Extended Forecast for

4 Miles SE Snoqualmie Pass WA

  • Tonight

    Tonight: Clear, with a low around 26. East wind around 10 mph.

    Low: 26 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 40. East wind 7 to 9 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a steady temperature around 33. East wind 5 to 7 mph becoming northwest after midnight.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. East wind 7 to 9 mph.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. East wind around 8 mph.

    Low: 25 °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 25.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 10 percent chance of snow after 4pm.  Partly sunny, with a high near 34.

    High: 34 °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 26.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Tonight
Clear, with a low around 26. East wind around 10 mph.
M.L.King Day
Sunny, with a high near 40. East wind 7 to 9 mph.
Monday Night
Mostly clear, with a steady temperature around 33. East wind 5 to 7 mph becoming northwest after midnight.
Tuesday
Mostly sunny, with a high near 37. East wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 25. East wind around 8 mph.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
A 10 percent chance of snow after 4pm. Partly sunny, with a high near 34.
Thursday Night
A 30 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 26.
Friday
A chance of snow. Partly sunny, with a high near 33.
Friday Night
A chance of snow. Mostly cloudy, with a low around 25.
Saturday
A chance of snow. Partly sunny, with a high near 30.
Saturday Night
Snow likely. Mostly cloudy, with a low around 24.
Sunday
Snow likely. Mostly cloudy, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Snoqualmie Pass WA
 47.37°N 121.33°W (Elev. 4629 ft)
9:15 pm PST Jan 18, 2026
10pm 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