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

Hot Temperatures in the Northwest U.S.; Excessive Rainfall Potential in the Southwest U.S.

Hot to extremely hot daytime temperatures remain in place across coastal southern California and the interior Northwest, with the Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. this week. Read More >

Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

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

Overcast

76°F

24°C

Humidity 24%
Wind Speed WSW 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 02 Sep 11:56 PM PDT
Extended Forecast for

5 Miles ENE Snoqualmie Pass WA

  • Overnight

    Overnight: Mostly clear, with a low around 65. North wind around 7 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. North wind 5 to 7 mph becoming light and variable.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Northwest wind 6 to 8 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78. North wind around 6 mph becoming south in the morning.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. West wind 5 to 7 mph becoming east in the evening.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 65. North wind around 7 mph.
Wednesday
Sunny, with a high near 82. North wind 5 to 7 mph becoming light and variable.
Wednesday Night
Partly cloudy, with a low around 63. Northwest wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 78. North wind around 6 mph becoming south in the morning.
Thursday Night
Mostly clear, with a low around 60. West wind 5 to 7 mph becoming east in the evening.
Friday
Mostly sunny, with a high near 75.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 66.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54.
Sunday
A chance of showers. Partly sunny, with a high near 61.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 53.
Monday
A chance of showers. Mostly cloudy, with a high near 61.
Monday Night
A chance of showers. Mostly cloudy, with a low around 51.
Tuesday
A chance of showers. Mostly cloudy, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Snoqualmie Pass WA
 47.44°N 121.29°W (Elev. 4921 ft)
Last Update:
10:52 pm PDT Sep 2, 2025
Forecast Valid:
12am PDT Sep 3, 2025-6pm PDT Sep 9, 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