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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

ALPENTAL EXIT (TALPE)

Lat: 47.427°NLon: 121.418°WElev: 2972.0ft.

unknown precip

50°F

10°C

Humidity 89%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility 1.24 mi
Last update 19 Sep 09:15 PM PDT
Extended Forecast for

4 Miles NW Snoqualmie Pass WA

  • Tonight

    Tonight: Clear, with a low around 49. Light south southeast wind.

    Low: 49 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Calm wind.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 49. Calm wind becoming south southeast around 5 mph.

    Low: 49 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 65. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 65 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. Light northwest wind.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 49. Light south southeast wind.
Sunday
Sunny, with a high near 69. Calm wind.
Sunday Night
Clear, with a low around 49. Calm wind becoming south southeast around 5 mph.
Monday
Increasing clouds, with a high near 65. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 45. Light northwest wind.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Mostly cloudy, with a high near 54.
Thursday Night
A chance of rain. Cloudy, with a low around 42.
Friday
A chance of rain. Mostly cloudy, with a high near 47.
Friday Night
A chance of rain. Mostly cloudy, with a low around 37.
Saturday
A slight chance of rain. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Snoqualmie Pass WA
 47.47°N 121.45°W (Elev. 4252 ft)
Last Update:
8:22 pm PDT Sep 19, 2026
Forecast Valid:
9pm PDT Sep 19, 2026-6pm PDT Sep 26, 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