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.

Clear

41°F

5°C

Humidity 67%
Wind Speed NA 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 18 Apr 08:56 PM PDT
Extended Forecast for

8 Miles S Snoqualmie Pass WA

  • Tonight

    Tonight: Partly cloudy, with a low around 38. East wind 3 to 5 mph. Winds could gust as high as 18 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60. East wind around 7 mph, with gusts as high as 22 mph.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Light northeast wind.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66. Light east wind.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain. Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A slight chance of rain before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then rain likely after 2pm. Partly sunny, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 44. Chance of precipitation is 70%.

    High: 44 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.

    Low: 38 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. East wind 3 to 5 mph. Winds could gust as high as 18 mph.
Sunday
Partly sunny, with a high near 60. East wind around 7 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 44. Light northeast wind.
Monday
Partly sunny, with a high near 66. Light east wind.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 43. Calm wind.
Tuesday
A slight chance of rain before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then rain likely after 2pm. Partly sunny, with a high near 57. Chance of precipitation is 60%.
Tuesday Night
Rain. Low around 41. Chance of precipitation is 80%.
Wednesday
Rain likely. Mostly cloudy, with a high near 44. Chance of precipitation is 70%.
Wednesday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Thursday
A chance of rain and snow before 11am, then a chance of rain. Partly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 36.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 37.
Saturday
Mostly sunny, with a high near 55.
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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:
8:36 pm PDT Apr 18, 2026
Forecast Valid:
9pm PDT Apr 18, 2026-6pm PDT Apr 25, 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