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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Stampede Pass (KSMP)

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

unknown precip,freezing fog

31°F

-1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.52 in (999.66 mb)
Dewpoint 31°F (-1°C)
Visibility 0.25 mi
Last update 03 Jan 12:56 PM PST
Extended Forecast for

Snoqualmie Pass WA

  • This Afternoon

    This Afternoon: A chance of rain before 4pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 37. Light southeast wind. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Rain, possibly mixed with snow. Low around 33. Light southeast wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow

  • Sunday

    Sunday: Snow, possibly mixed with rain, mainly before 1pm. High near 35. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 28. Calm wind. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Rain/Snow
    then Snow

  • Monday

    Monday: Snow likely, mainly before 10am. Mostly cloudy, with a high near 31. Light west wind. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Snow Likely

  • Monday Night

    Monday Night: Snow, mainly after 4am. Low around 26. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 26 °F

    Chance Snow
    then Snow

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times. High near 31. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

    High: 31 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times. Low around 26. Chance of precipitation is 90%.

    Low: 26 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow. High near 31. Chance of precipitation is 80%.

    High: 31 °F

    Snow

Detailed Forecast

This Afternoon
A chance of rain before 4pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 37. Light southeast wind. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain, possibly mixed with snow. Low around 33. Light southeast wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday
Snow, possibly mixed with rain, mainly before 1pm. High near 35. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 28. Calm wind. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 31. Light west wind. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday Night
Snow, mainly after 4am. Low around 26. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Snow. The snow could be heavy at times. High near 31. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 26. Chance of precipitation is 90%.
Wednesday
Snow. High near 31. Chance of precipitation is 80%.
Wednesday Night
Snow. Mostly cloudy, with a low around 25.
Thursday
Snow. Mostly cloudy, with a high near 29.
Thursday Night
Snow likely. Mostly cloudy, with a low around 26.
Friday
A chance of snow. Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.43°N 121.41°W (Elev. 3087 ft)
Last Update:
1:31 pm PST Jan 3, 2026
Forecast Valid:
1pm PST Jan 3, 2026-6pm PST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation