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.

Fog

33°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 33°F (1°C)
Visibility 0.25 mi
Last update 02 Jan 09:04 AM PST
Extended Forecast for

Snoqualmie Pass WA

  • Today

    Today: Rain. High near 40. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 10pm. Low around 35. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Rain, possibly mixed with snow, becoming all rain after 10am. High near 39. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow
    then Rain

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow, becoming all rain after 10pm. Low around 34. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    then Rain

  • Sunday

    Sunday: Rain, possibly mixed with snow. High near 37. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow before 10pm, then snow likely between 10pm and 1am, then rain and snow likely after 1am. Low around 31. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 31 °F

    Rain/Snow

  • Monday

    Monday: Snow likely, mainly before 10am. Mostly cloudy, with a high near 35. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 35 °F

    Snow Likely

  • Monday Night

    Monday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow before 4pm, then rain and snow. High near 34. Chance of precipitation is 80%.

    High: 34 °F

    Snow then
    Rain/Snow

Detailed Forecast

Today
Rain. High near 40. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 10pm. Low around 35. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain, possibly mixed with snow, becoming all rain after 10am. High near 39. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday Night
Rain, possibly mixed with snow, becoming all rain after 10pm. Low around 34. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday
Rain, possibly mixed with snow. High near 37. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain and snow before 10pm, then snow likely between 10pm and 1am, then rain and snow likely after 1am. Low around 31. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 35. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Monday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Tuesday
Snow before 4pm, then rain and snow. High near 34. Chance of precipitation is 80%.
Tuesday Night
Rain and snow, becoming all snow after 10pm. The snow could be heavy at times. Mostly cloudy, with a low around 28.
Wednesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 33.
Wednesday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 26.
Thursday
Snow likely. Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.41°N 121.41°W (Elev. 2812 ft)
Last Update:
9:16 am PST Jan 2, 2026
Forecast Valid:
9am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation