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

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

Stampede Pass (KSMP)

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

Clear

31°F

-1°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 15 Oct 07:56 AM PDT
Extended Forecast for

Snoqualmie Pass WA

  • Today

    Today: Sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Calm wind becoming west around 6 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 38. West wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers, mainly before 11am. Partly sunny, with a high near 50. West wind 5 to 9 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 38. Chance of precipitation is 90%.

    Low: 38 °F

    Showers

  • Sunday

    Sunday: Showers. High near 46. Chance of precipitation is 90%.

    High: 46 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 59. Light and variable wind.
Tonight
Mostly clear, with a low around 33. Calm wind.
Thursday
Mostly sunny, with a high near 54. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 38. West wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of showers, mainly before 11am. Partly sunny, with a high near 50. West wind 5 to 9 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 34.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 55.
Saturday Night
Showers. Low around 38. Chance of precipitation is 90%.
Sunday
Showers. High near 46. Chance of precipitation is 90%.
Sunday Night
Showers. Mostly cloudy, with a low around 35.
Monday
A chance of showers. Partly sunny, with a high near 48.
Monday Night
A chance of showers. Mostly cloudy, with a low around 35.
Tuesday
A chance of showers. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.41°N 121.37°W (Elev. 2628 ft)
Last Update:
4:20 am PDT Oct 15, 2025
Forecast Valid:
8am PDT Oct 15, 2025-6pm PDT Oct 21, 2025
 
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