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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

57°F

14°C

Humidity 57%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 17 Mar 09:51 AM PDT
Extended Forecast for

5 Miles S Cascade Locks OR

  • Today

    Today: Rain likely, mainly before 2pm. Partly sunny, with a high near 59. Calm wind. Chance of precipitation is 60%.

    High: 59 °F

    Rain Likely

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain. Partly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Partly sunny, with a high near 66. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 66 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

Today
Rain likely, mainly before 2pm. Partly sunny, with a high near 59. Calm wind. Chance of precipitation is 60%.
Tonight
A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 47. Calm wind.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 63. Calm wind.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 50. Calm wind.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 66. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 51.
Friday
Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Friday Night
Rain likely. Mostly cloudy, with a low around 41.
Saturday
A chance of rain. Partly sunny, with a high near 50.
Saturday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 35.
Sunday
A slight chance of rain. Snow level 2600 feet rising to 3900 feet in the afternoon. Partly sunny, with a high near 53.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 35.
Monday
A chance of rain. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
Last Update:
9:42 am PDT Mar 17, 2026
Forecast Valid:
10am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation