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

44°F

7°C

Humidity 82%
Wind Speed NA 6 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 21 Apr 03:11 PM PDT
Extended Forecast for

9 Miles ESE Snoqualmie Pass WA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 5pm, then a chance of rain and thunderstorms after 5pm. Mostly cloudy, with a high near 61. West wind around 5 mph. Chance of precipitation is 40%.

    High: 61 °F

    Chance
    Showers

  • Tonight

    Tonight: Rain, mainly after 8pm. Low around 42. West wind 3 to 5 mph. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Wednesday

    Wednesday: Rain, mainly before 2pm. High near 49. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain then
    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. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    Low: 38 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain and snow before 8am, then a slight chance of rain between 8am and 11am. Mostly sunny, with a high near 52. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain/Snow
    then 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 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain before 11pm. Mostly clear, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 5pm, then a chance of rain and thunderstorms after 5pm. Mostly cloudy, with a high near 61. West wind around 5 mph. Chance of precipitation is 40%.
Tonight
Rain, mainly after 8pm. Low around 42. West wind 3 to 5 mph. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain, mainly before 2pm. High near 49. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 38. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Thursday
A slight chance of rain and snow before 8am, then a slight chance of rain between 8am and 11am. Mostly sunny, with a high near 52. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 58.
Friday Night
A 20 percent chance of rain before 11pm. Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
A chance of rain and snow. Mostly sunny, with a high near 58.
Sunday Night
A chance of rain and snow. Partly cloudy, with a low around 37.
Monday
A chance of rain. Mostly sunny, with a high near 58.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 38.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Snoqualmie Pass WA
 47.37°N 121.24°W (Elev. 2231 ft)
Last Update:
3:01 pm PDT Apr 21, 2026
Forecast Valid:
3pm PDT Apr 21, 2026-6pm PDT Apr 28, 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