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

Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Stampede Pass (KSMP)

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

Clear

67°F

19°C

Humidity 29%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 31 Aug 04:56 AM PDT
Extended Forecast for

Snoqualmie Pass WA

  • Today

    Today: Widespread haze before 11am. Mostly sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

    High: 78 °F

    Haze then
    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers. Widespread haze after 8pm. Partly cloudy, with a low around 53. West wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Slight Chance
    Showers

  • Labor Day

    Labor Day: Widespread haze before 8am. Mostly sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Haze then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Light and variable wind.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Widespread haze before 11am. Mostly sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Tonight
A 20 percent chance of showers. Widespread haze after 8pm. Partly cloudy, with a low around 53. West wind around 5 mph becoming calm in the evening.
Labor Day
Widespread haze before 8am. Mostly sunny, with a high near 77. Light and variable wind.
Monday Night
Partly cloudy, with a low around 55. Light and variable wind.
Tuesday
Sunny, with a high near 85. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.43°N 121.41°W (Elev. 3087 ft)
Last Update:
4:20 am PDT Aug 31, 2025
Forecast Valid:
5am PDT Aug 31, 2025-6pm PDT Sep 6, 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