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.

Fog

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.65 in (1004.06 mb)
Dewpoint 37°F (3°C)
Visibility 0.25 mi
Last update 12 Apr 02:17 AM PDT
Extended Forecast for

9 Miles ESE Snoqualmie Pass WA

  • Overnight

    Overnight: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 2pm. Mostly sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain, mainly after 8pm. Mostly cloudy, with a low around 40. Light west wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain

  • Monday

    Monday: A 40 percent chance of rain. Mostly cloudy, with a high near 46. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 46 °F

    Chance Rain

  • Monday Night

    Monday Night: A chance of rain before 5am, then a slight chance of rain and snow. Mostly cloudy, with a low around 34. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow before 8am, then rain. High near 44. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain before 8pm, then rain, possibly mixed with snow between 8pm and 2am, then snow after 2am. Low around 29. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow showers before 5pm, then snow showers, possibly mixed with rain. Some thunder is also possible. High near 41. Chance of precipitation is 90%.

    High: 41 °F

    Snow Showers
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 8pm. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.

    Low: 27 °F

    Rain/Snow
    Likely then
    Slight Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 38. Calm wind.
Sunday
A 20 percent chance of rain after 2pm. Mostly sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
A 50 percent chance of rain, mainly after 8pm. Mostly cloudy, with a low around 40. Light west wind. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 46. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
A chance of rain before 5am, then a slight chance of rain and snow. Mostly cloudy, with a low around 34. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow before 8am, then rain. High near 44. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Rain before 8pm, then rain, possibly mixed with snow between 8pm and 2am, then snow after 2am. Low around 29. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow showers before 5pm, then snow showers, possibly mixed with rain. Some thunder is also possible. High near 41. Chance of precipitation is 90%.
Wednesday Night
Rain and snow likely, becoming all snow after 8pm. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Thursday
A chance of snow after 11am, mixing with rain after 2pm. Partly sunny, with a high near 44.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Snoqualmie Pass WA
 47.37°N 121.24°W (Elev. 2231 ft)
Last Update:
11:46 pm PDT Apr 11, 2026
Forecast Valid:
2am PDT Apr 12, 2026-6pm PDT Apr 18, 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