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

Hazardous Weather Conditions

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

92°F

33°C

Humidity 18%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index88°F (31°C)
Last update 22 Jun 03:49 PM PDT
Extended Forecast for

4 Miles WSW Cascade Locks OR

Heat Advisory until June 23, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 23, 11:00pm

    NOW until 11:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Northeast wind 3 to 6 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 91. Northeast wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 91 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. North wind around 6 mph becoming light and variable in the evening.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Breezy, with a west wind 5 to 15 mph, with gusts as high as 24 mph.

    High: 86 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. Breezy.

    Low: 58 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Breezy.

    High: 78 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 90. North northeast wind around 8 mph.
Tonight
Mostly clear, with a low around 63. Northeast wind 3 to 6 mph.
Tuesday
Increasing clouds, with a high near 91. Northeast wind 6 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 64. North wind around 6 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 86. Breezy, with a west wind 5 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 58. Breezy.
Thursday
Mostly sunny, with a high near 78. Breezy.
Thursday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 56.
Friday
Rain. Cloudy, with a high near 64.
Friday Night
Rain. Cloudy, with a low around 54.
Saturday
Rain. Cloudy, with a high near 62. Breezy.
Saturday Night
Rain. Mostly cloudy, with a low around 53. Breezy.
Sunday
Rain likely. Mostly cloudy, with a high near 65. Breezy.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 54. Breezy.
Monday
A chance of rain. Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Cascade Locks OR
 45.65°N 121.96°W (Elev. 115 ft)
Last Update:
3:41 pm PDT Jun 22, 2026
Forecast Valid:
4pm PDT Jun 22, 2026-6pm PDT Jun 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation