National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

76°F

24°C

Humidity 24%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Heat Index77°F (25°C)
Last update 24 May 06:14 PM PDT
Extended Forecast for

7 Miles SSE Cascade Locks OR

  • Tonight

    Tonight: Mostly clear, with a low around 47. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 47 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Rain, mainly after 5pm. Snow level 7300 feet lowering to 6200 feet in the afternoon . Temperature rising to near 51 by 11am, then falling to around 44 during the remainder of the day. Windy, with a west southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%.

    High: 51 °F⇓

    Mostly Cloudy
    and Breezy
    then Rain and
    Windy

  • Monday Night

    Monday Night: Rain showers likely before 11pm, then rain and snow showers likely. Snow level 5900 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow
    Likely and
    Breezy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 11am, then rain showers likely. Some thunder is also possible. Snow level 4500 feet rising to 5800 feet in the afternoon. Mostly cloudy, with a high near 45. West wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Snow level 6100 feet. Mostly cloudy, with a low around 40. West wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 40 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain before 11am. Mostly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Slight Chance
    Rain and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Memorial Day
Rain, mainly after 5pm. Snow level 7300 feet lowering to 6200 feet in the afternoon . Temperature rising to near 51 by 11am, then falling to around 44 during the remainder of the day. Windy, with a west southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%.
Monday Night
Rain showers likely before 11pm, then rain and snow showers likely. Snow level 5900 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow showers before 11am, then rain showers likely. Some thunder is also possible. Snow level 4500 feet rising to 5800 feet in the afternoon. Mostly cloudy, with a high near 45. West wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Snow level 6100 feet. Mostly cloudy, with a low around 40. West wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
A slight chance of rain before 11am. Mostly sunny, with a high near 60.
Thursday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 45. Breezy.
Friday
A slight chance of rain before 11am. Mostly cloudy, with a high near 50. Windy.
Friday Night
Mostly cloudy, with a low around 39. Breezy.
Saturday
Mostly sunny, with a high near 51. Breezy.
Saturday Night
Mostly clear, with a low around 38. Breezy.
Sunday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Cascade Locks OR
 45.59°N 121.79°W (Elev. 4331 ft)
Last Update:
5:42 pm PDT May 24, 2026
Forecast Valid:
6pm PDT May 24, 2026-6pm PDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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