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.

light snow,mist

31°F

-1°C

Humidity 96%
Wind Speed W 8 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 30°F (-1°C)
Visibility 4.00 mi
Wind Chill24°F (-4°C)
Last update 13 Apr 11:56 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

  • Overnight

    Overnight: A slight chance of rain and snow before 2am, then a chance of snow. Mostly cloudy, with a low around 33. West wind 3 to 5 mph. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Snow, possibly mixed with rain. High near 38. West wind 3 to 7 mph. Winds could gust as high as 23 mph. Chance of precipitation is 100%. 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 3 to 7 mph. Winds could gust 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 between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 34. Light west wind increasing to 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: 34 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm. Low around 26. West wind 3 to 8 mph. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 26 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of rain and snow before 2am, then a chance of snow. Mostly cloudy, with a low around 33. West wind 3 to 5 mph. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Tuesday
Snow, possibly mixed with rain. High near 38. West wind 3 to 7 mph. Winds could gust as high as 23 mph. Chance of precipitation is 100%. 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 3 to 7 mph. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 34. Light west wind increasing to 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. West wind 3 to 8 mph. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 38.
Thursday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 51.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 37.
Sunday
Rain likely. Mostly cloudy, with a high near 49.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 35.
Monday
Rain and snow likely. Mostly cloudy, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
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 pm PDT Apr 13, 2026
Forecast Valid:
12am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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