Heat Wave Continues in the West; Critical Fire Weather Conditions in the High 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. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

53°F

12°C

Humidity 69%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 18 Mar 01:35 AM PDT
Extended Forecast for

5 Miles S Cascade Locks OR

  • Overnight

    Overnight: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain between 10am and 11am.  Mostly sunny, with a high near 66. Light west wind.  Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain between 11pm and 3am.  Partly cloudy, with a low around 50. Calm wind.  Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 40 percent chance of rain.  Partly sunny, with a high near 63. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 63 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 51. Light southwest wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance Rain

  • Friday

    Friday: Rain.  High near 60. Chance of precipitation is 80%.

    High: 60 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 11pm.  Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: A chance of rain before 11am.  Snow level 3200 feet lowering to 2500 feet. Mostly cloudy, then gradually becoming sunny, with a high near 48.

    High: 48 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 48. Calm wind.
Wednesday
A slight chance of rain between 10am and 11am. Mostly sunny, with a high near 66. Light west wind. Chance of precipitation is 20%.
Wednesday Night
A slight chance of rain between 11pm and 3am. Partly cloudy, with a low around 50. Calm wind. Chance of precipitation is 20%.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 63. 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. Light southwest wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 60. Chance of precipitation is 80%.
Friday Night
Rain, mainly before 11pm. Low around 38. Chance of precipitation is 80%.
Saturday
A chance of rain before 11am. Snow level 3200 feet lowering to 2500 feet. Mostly cloudy, then gradually becoming sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Sunny, with a high near 53.
Sunday Night
Increasing clouds, with a low around 35.
Monday
A slight chance of rain. Mostly cloudy, with a high near 54.
Monday Night
A chance of rain. Mostly cloudy, with a low around 39.
Tuesday
Rain. Cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
1:41 am PDT Mar 18, 2026
1am PDT Mar 18, 2026-6pm PDT Mar 24, 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