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

Stampede Pass (KSMP)

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

Overcast

40°F

4°C

Humidity 96%
Wind Speed NA 5 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 12 Apr 06:35 PM PDT
Extended Forecast for

8 Miles S Snoqualmie Pass WA

  • Tonight

    Tonight: Rain likely, mainly after 8pm. Mostly cloudy, with a low around 36. West wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely

  • Monday

    Monday: A chance of rain and snow before 2pm, then rain likely. Mostly cloudy, with a high near 39. West wind 5 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Rain likely before 8pm, then rain and snow likely between 8pm and 11pm, then a chance of snow after 11pm. Mostly cloudy, with a low around 33. West wind 5 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Tuesday

    Tuesday: Snow likely before 11am, then rain, possibly mixed with snow. High near 38. West wind 3 to 7 mph. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 11pm. Low around 27. West wind around 7 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Rain/Snow
    then Snow

  • Wednesday

    Wednesday: Snow likely before 11am, then snow showers after 11am. Some thunder is also possible. High near 35. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm. Low around 26. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 26 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 38.

    High: 38 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 36. West wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of rain and snow before 2pm, then rain likely. Mostly cloudy, with a high near 39. West wind 5 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Rain likely before 8pm, then rain and snow likely between 8pm and 11pm, then a chance of snow after 11pm. Mostly cloudy, with a low around 33. West wind 5 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely before 11am, then rain, possibly mixed with snow. High near 38. West wind 3 to 7 mph. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow, becoming all snow after 11pm. Low around 27. West wind around 7 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow likely before 11am, then snow showers after 11am. Some thunder is also possible. High near 35. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow, mainly before 11pm. Low around 26. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday
A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 38.
Thursday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 28.
Friday
A slight chance of snow after 11am. Partly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 35.
Sunday
Rain and snow likely. Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Snoqualmie Pass WA
 47.3°N 121.41°W (Elev. 3333 ft)
Last Update:
3:01 pm PDT Apr 12, 2026
Forecast Valid:
6pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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