Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

77°F

25°C

Humidity 45%
Wind Speed SW 8 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index78°F (26°C)
Last update 10 Sep 04:06 PM PDT
Extended Forecast for

Cascade Locks OR

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 72. Southwest wind around 11 mph, with gusts as high as 18 mph.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Cloudy, with a low around 55. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 55 °F

    Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 11am.  Mostly cloudy, with a high near 69. Light west southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers.  Low around 55. Breezy, with a west southwest wind 10 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Showers and
    Breezy

  • Sunday

    Sunday: Showers.  High near 64. Breezy.  Chance of precipitation is 80%.

    High: 64 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 11pm.  Partly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 72. Southwest wind around 11 mph, with gusts as high as 18 mph.
Friday Night
Cloudy, with a low around 55. West southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers after 11am. Mostly cloudy, with a high near 69. Light west southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Showers. Low around 55. Breezy, with a west southwest wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers. High near 64. Breezy. Chance of precipitation is 80%.
Sunday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 78. Breezy.
Tuesday Night
Mostly clear, with a low around 60. Breezy.
Wednesday
Sunny, with a high near 81. Windy.
Wednesday Night
Mostly clear, with a low around 62. Breezy.
Thursday
Sunny, with a high near 83. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade Locks OR
 45.68°N 121.91°W (Elev. 197 ft)
3:41 pm PDT Sep 10, 2026
4pm PDT Sep 10, 2026-6pm PDT Sep 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database