National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Stampede Pass (KSMP)

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

freezing fog

21°F

-6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 21°F (-6°C)
Visibility 0.50 mi
Last update 28 Dec 02:39 AM PST
Extended Forecast for

Snoqualmie Pass WA

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 1pm, then patchy fog after 4pm. Otherwise, mostly sunny, with a high near 33. Calm wind.

    High: 33 °F

    Patchy Fog

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before 10pm. Patchy fog before 7pm. Otherwise, mostly cloudy, with a low around 26. Light east wind.

    Low: 26 °F

    Slight Chance
    Snow and
    Patchy Fog
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 37. Light southeast wind.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. East wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 21. Calm wind.
Sunday
Patchy fog before 1pm, then patchy fog after 4pm. Otherwise, mostly sunny, with a high near 33. Calm wind.
Sunday Night
A 20 percent chance of snow before 10pm. Patchy fog before 7pm. Otherwise, mostly cloudy, with a low around 26. Light east wind.
Monday
Partly sunny, with a high near 37. Light southeast wind.
Monday Night
Mostly cloudy, with a low around 30. East wind around 5 mph.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 32.
New Year's Day
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 40.
Thursday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 31.
Friday
Rain and snow. Mostly cloudy, with a high near 36.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 29.
Saturday
A chance of snow. Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.42°N 121.44°W (Elev. 2569 ft)
Last Update:
2:30 am PST Dec 28, 2025
Forecast Valid:
2am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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