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 >

Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

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

unknown precip,fog

32°F

0°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 31°F (-1°C)
Visibility 0.25 mi
Last update 02 Jan 07:12 PM PST
Extended Forecast for

Snoqualmie Pass WA

  • Tonight

    Tonight: Rain, mainly after 4am. Patchy fog. Low around 33. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain and
    Patchy Fog

  • Saturday

    Saturday: Rain before 4pm, then snow likely, possibly mixed with rain. Patchy fog before 10am. High near 39. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F

    Rain and
    Patchy Fog
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow. Low around 35. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Sunday

    Sunday: Rain, possibly mixed with snow. High near 38. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 1am. Low around 31. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than one inch 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 less than one 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%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow before 4pm, then rain and snow. High near 33. Chance of precipitation is 80%.

    High: 33 °F

    Snow then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 7pm. The snow could be heavy at times. Low around 28. Chance of precipitation is 90%.

    Low: 28 °F

    Rain/Snow
    then Heavy
    Snow

Detailed Forecast

Tonight
Rain, mainly after 4am. Patchy fog. Low around 33. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain before 4pm, then snow likely, possibly mixed with rain. Patchy fog before 10am. High near 39. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
Rain, possibly mixed with snow. Low around 35. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday
Rain, possibly mixed with snow. High near 38. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday Night
Rain and snow, becoming all snow after 1am. Low around 31. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 35. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday
Snow before 4pm, then rain and snow. High near 33. Chance of precipitation is 80%.
Tuesday Night
Rain and snow, becoming all snow after 7pm. The snow could be heavy at times. Low around 28. Chance of precipitation is 90%.
Wednesday
Snow. Mostly cloudy, with a high near 32.
Wednesday Night
Snow. Mostly cloudy, with a low around 28.
Thursday
Snow likely. Mostly cloudy, with a high near 33.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26.
Friday
A slight chance of snow. Partly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.41°N 121.41°W (Elev. 2812 ft)
Last Update:
4:55 pm PST Jan 2, 2026
Forecast Valid:
7pm PST Jan 2, 2026-6pm PST Jan 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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