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

58°F

14°C

Humidity 49%
Wind Speed N 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Apr 04:56 PM PDT
Extended Forecast for

8 Miles S Snoqualmie Pass WA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Partly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain between 2am and 5am. Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 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 52. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 39. West wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 2pm. High near 43. West wind 6 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Partly sunny, with a high near 65. Calm wind.
Tonight
A 20 percent chance of rain between 2am and 5am. Mostly cloudy, with a low around 43. Calm wind.
Tuesday
A 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 52. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain. Low around 39. West wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 2pm. High near 43. West wind 6 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 38.
Sunday
A slight chance of rain. Mostly sunny, with a high near 58.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 39.
Monday
A slight chance of rain. Mostly sunny, with a high near 54.
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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 20, 2026
Forecast Valid:
5pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation