Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

Lat: 45.66931°NLon: 121.88484°WElev: 194.0ft.

NA

66°F

19°C

Humidity 60%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 05 Sep 12:46 PM PDT
Extended Forecast for

4 Miles SW Cascade Locks OR

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 3am and 5am.  Mostly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 65. Calm wind.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. Light west southwest wind increasing to 5 to 10 mph in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Labor Day

    Labor Day: Mostly cloudy, then gradually becoming sunny, with a high near 64. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 65. Light and variable wind.
Tonight
A 30 percent chance of showers, mainly between 3am and 5am. Mostly cloudy, with a low around 52. Light and variable wind.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 65. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly cloudy, with a low around 52. Light west southwest wind increasing to 5 to 10 mph in the evening.
Labor Day
Mostly cloudy, then gradually becoming sunny, with a high near 64. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 57.
Friday
A slight chance of rain. Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Cascade Locks OR
 45.63°N 121.93°W (Elev. 2418 ft)
12:40 pm PDT Sep 5, 2026
1pm PDT Sep 5, 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