Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

60°F

16°C

Humidity 72%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 08 Sep 10:46 PM PDT
Extended Forecast for

6 Miles WNW Cascade Locks OR

  • Tonight

    Tonight: Clear, with a low around 55. Northeast wind around 10 mph.

    Low: 55 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Northeast wind 6 to 9 mph becoming west in the afternoon.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 55. West wind 5 to 7 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 69. Breezy, with a west wind 9 to 15 mph, with gusts as high as 29 mph.

    High: 69 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. West wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain before 11am, then a chance of showers and thunderstorms after 11am.  Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 55. Northeast wind around 10 mph.
Wednesday
Sunny, with a high near 79. Northeast wind 6 to 9 mph becoming west in the afternoon.
Wednesday Night
Increasing clouds, with a low around 55. West wind 5 to 7 mph.
Thursday
Partly sunny, with a high near 69. Breezy, with a west wind 9 to 15 mph, with gusts as high as 29 mph.
Thursday Night
Partly cloudy, with a low around 48. West wind 11 to 14 mph, with gusts as high as 29 mph.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 60.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 49.
Sunday
A chance of rain, mainly before 11am. Partly sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Cascade Locks OR
 45.71°N 122.01°W (Elev. 1880 ft)
10:41 pm PDT Sep 8, 2026
11pm PDT Sep 8, 2026-6pm PDT Sep 15, 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