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 73%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility 1.24 mi
Last update 19 Sep 11:15 PM PDT
Extended Forecast for

Snoqualmie Pass WA

  • Tonight

    Tonight: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 72. Calm wind.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 72. Light and variable wind.

    High: 72 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. Light northwest wind.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 50. Calm wind.
Sunday
Sunny, with a high near 72. Calm wind.
Sunday Night
Clear, with a low around 50. Calm wind.
Monday
Increasing clouds, with a high near 72. Light and variable wind.
Monday Night
Partly cloudy, with a low around 46. Light northwest wind.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly cloudy, with a high near 59.
Thursday Night
A chance of rain. Cloudy, with a low around 43.
Friday
A chance of rain. Mostly cloudy, with a high near 52.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38.
Saturday
A slight chance of rain. Partly sunny, with a high near 53.
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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:
11:26 pm PDT Sep 19, 2026
Forecast Valid:
11pm PDT Sep 19, 2026-6pm PDT Sep 26, 2026
 
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