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

Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

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

heavy snow,freezing fog

26°F

-3°C

Humidity 100%
Wind Speed N 3 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 26°F (-3°C)
Visibility 0.25 mi
Last update 15 Apr 07:56 PM PDT
Extended Forecast for

8 Miles SSE Snoqualmie Pass WA

Winter Weather Advisory April 15, 08:06pm until April 15, 11:00pm
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory April 15, 08:06pm until April 15, 11:00pm

    NOW until 11:00pm Wed

    Winter Weather Advisory

  • Tonight

    Low: 25 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A 10 percent chance of rain after 5pm. Partly sunny, with a high near 37. West wind 3 to 8 mph. Winds could gust as high as 24 mph.

    High: 37 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Partly cloudy, with a low around 28. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain. Partly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Snow, mainly before 11pm. Low around 25. Light west wind. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.
Thursday
A 10 percent chance of rain after 5pm. Partly sunny, with a high near 37. West wind 3 to 8 mph. Winds could gust as high as 24 mph.
Thursday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Partly cloudy, with a low around 28. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 44. Calm wind.
Friday Night
Mostly cloudy, with a low around 32. Calm wind.
Saturday
Partly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 57.
Sunday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 61.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 42.
Tuesday
A chance of rain. Partly sunny, with a high near 57.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Wednesday
A chance of rain. Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Snoqualmie Pass WA
 47.31°N 121.34°W (Elev. 2933 ft)
Last Update:
3:01 pm PDT Apr 15, 2026
Forecast Valid:
8pm PDT Apr 15, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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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