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

66°F

19°C

Humidity 56%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility 1.24 mi
Last update 18 Sep 02:30 PM PDT
Extended Forecast for

4 Miles WSW Snoqualmie Pass WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. West wind 3 to 5 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Calm wind.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. West wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 48. Calm wind.
Saturday
Mostly sunny, with a high near 72. Light and variable wind.
Saturday Night
Mostly clear, with a low around 52. Calm wind.
Sunday
Sunny, with a high near 75. Calm wind.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Snoqualmie Pass WA
 47.4°N 121.5°W (Elev. 1854 ft)
Last Update:
1:27 pm PDT Sep 18, 2026
Forecast Valid:
2pm PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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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