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Monsoons Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Sunday. The close proximity of Tropical Storm Humberto and a tropical wave (AL94) could lead to interaction between them, and details of their long-range track and intensity forecasts, and any potential impacts, are more uncertain than usual. Read More >

Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

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

Mist

49°F

9°C

Humidity 96%
Wind Speed NA 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 48°F (9°C)
Visibility 1.75 mi
Last update 25 Sep 04:05 AM PDT
Extended Forecast for

11 Miles E Snoqualmie Pass WA

Red Flag Warning September 25, 11:00am until September 25, 11:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Increasing clouds, with a high near 67. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 67 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 67. West wind around 7 mph.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 47. West wind 3 to 7 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.

    High: 75 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

Today
Increasing clouds, with a high near 67. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 42. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 67. West wind around 7 mph.
Friday Night
Increasing clouds, with a low around 47. West wind 3 to 7 mph.
Saturday
Partly sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 76.
Sunday Night
A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 50.
Monday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 44.
Tuesday
A chance of showers. Mostly cloudy, with a high near 63.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 44.
Wednesday
A chance of showers. Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles E Snoqualmie Pass WA
 47.42°N 121.16°W (Elev. 2818 ft)
Last Update:
4:20 am PDT Sep 25, 2025
Forecast Valid:
4am PDT Sep 25, 2025-6pm PDT Oct 1, 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