Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

ALPENTAL EXIT (TALPE)

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

unknown precip

49°F

9°C

Humidity 99%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility 1.24 mi
Last update 04 Sep 07:00 PM PDT
Extended Forecast for

Snoqualmie Pass WA

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of rain and thunderstorms after 5pm.  Partly sunny, with a high near 61. Calm wind.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly before 7pm.  Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 11am.  Mostly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 11pm.  Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Chance Rain
    then Mostly
    Cloudy

  • Labor Day

    Labor Day: A 20 percent chance of rain.  Partly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain

  • Monday Night

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

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. Calm wind.
Saturday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of rain and thunderstorms after 5pm. Partly sunny, with a high near 61. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of rain, mainly before 7pm. Partly cloudy, with a low around 44. Calm wind.
Sunday
A 30 percent chance of rain after 11am. Mostly sunny, with a high near 63. Calm wind.
Sunday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 46. Calm wind.
Labor Day
A 20 percent chance of rain. Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 50.
Friday
A chance of rain. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.43°N 121.41°W (Elev. 3087 ft)
1:41 pm PDT Sep 4, 2026
7pm PDT Sep 4, 2026-6pm PDT Sep 11, 2026
 
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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