Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

62°F

17°C

Humidity 54%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 20 Mar 11:15 AM PDT
Extended Forecast for

Cascade Locks OR

  • Today

    Today: Rain, mainly after 2pm.  High near 62. West southwest wind around 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%.

    High: 62 °F

    Rain

  • Tonight

    Tonight: Rain before 4am, then a slight chance of rain after 5am.  Low around 42. West southwest wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 52. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 52 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 3am.  Otherwise, clear, with a low around 35. West southwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 35 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 7am.  Otherwise, sunny, with a high near 59. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 59 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain

Detailed Forecast

Today
Rain, mainly after 2pm. High near 62. West southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Tonight
Rain before 4am, then a slight chance of rain after 5am. Low around 42. West southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 52. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Areas of frost after 3am. Otherwise, clear, with a low around 35. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Sunday
Areas of frost before 7am. Otherwise, sunny, with a high near 59. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly cloudy, with a high near 60.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 45.
Tuesday
Rain. Mostly cloudy, with a high near 59.
Tuesday Night
Rain. Mostly cloudy, with a low around 43.
Wednesday
Rain. Mostly cloudy, with a high near 51.
Wednesday Night
A chance of rain. Snow level 3500 feet lowering to 1800 feet after midnight . Mostly cloudy, with a low around 36.
Thursday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade Locks OR
 45.66°N 121.9°W (Elev. 102 ft)
11:27 am PDT Mar 20, 2026
11am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database