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.

Mostly Cloudy

36°F

2°C

Humidity 92%
Wind Speed W 8 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 34°F (1°C)
Visibility 9.00 mi
Wind Chill30°F (-1°C)
Last update 13 Apr 12:56 PM PDT
Extended Forecast for

8 Miles S Snoqualmie Pass WA

Winter Weather Advisory April 14, 11:00am until April 15, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A chance of rain and snow before 2pm, then rain likely between 2pm and 5pm, then rain likely, possibly mixed with snow after 5pm. Mostly cloudy, with a high near 39. West wind around 7 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

  • Tonight

    Tonight: Snow likely, possibly mixed with rain before 11pm, then a chance of snow. Mostly cloudy, with a low around 33. West wind 3 to 7 mph. Winds could gust as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Tuesday

    Tuesday: A chance of snow before 8am, then rain and snow. High near 38. West wind 3 to 7 mph. Winds could gust as high as 22 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: Snow, possibly mixed with rain, becoming all snow after 11pm. The snow could be heavy at times. Low around 28. Southwest wind 5 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Rain/Snow
    then Heavy
    Snow

  • Wednesday

    Wednesday: Snow, mainly after 11am. High near 35. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow

  • 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 30 percent chance of snow after 11am. Partly sunny, with a high near 37.

    High: 37 °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

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of rain and snow before 2pm, then rain likely between 2pm and 5pm, then rain likely, possibly mixed with snow after 5pm. Mostly cloudy, with a high near 39. West wind around 7 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
Snow likely, possibly mixed with rain before 11pm, then a chance of snow. Mostly cloudy, with a low around 33. West wind 3 to 7 mph. Winds could gust as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
A chance of snow before 8am, then rain and snow. High near 38. West wind 3 to 7 mph. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow, possibly mixed with rain, becoming all snow after 11pm. The snow could be heavy at times. Low around 28. Southwest wind 5 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Snow, mainly after 11am. High near 35. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 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 30 percent chance of snow after 11am. Partly sunny, with a high near 37.
Thursday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 49.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Sunday
Rain and snow likely. Mostly cloudy, 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:
11:46 am PDT Apr 13, 2026
Forecast Valid:
1pm PDT Apr 13, 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