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

39°F

4°C

Humidity 77%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 22 Mar 02:36 AM PDT
Extended Forecast for

7 Miles S Cascade Locks OR

  • Overnight

    Overnight: Widespread frost.  Otherwise, mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Frost

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Areas of frost before 8am.  Otherwise, partly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Areas Frost
    then Partly
    Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers after 11pm.  Mostly cloudy, with a low around 43. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Rain.  High near 51. Chance of precipitation is 100%.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 37. Chance of precipitation is 100%.

    Low: 37 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Snow level 3500 feet. Cloudy, with a high near 46.

    High: 46 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 8pm, then rain and snow likely between 8pm and 2am, then a chance of snow after 2am.  Snow level 3300 feet lowering to 2000 feet after midnight . Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Widespread frost. Otherwise, mostly clear, with a low around 31. Calm wind.
Sunday
Mostly sunny, with a high near 55. Calm wind.
Sunday Night
Mostly cloudy, with a low around 36. Calm wind.
Monday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 55. Calm wind.
Monday Night
A 50 percent chance of showers after 11pm. Mostly cloudy, with a low around 43. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 51. Chance of precipitation is 100%.
Tuesday Night
Rain. Low around 37. Chance of precipitation is 100%.
Wednesday
Rain. Snow level 3500 feet. Cloudy, with a high near 46.
Wednesday Night
Rain likely before 8pm, then rain and snow likely between 8pm and 2am, then a chance of snow after 2am. Snow level 3300 feet lowering to 2000 feet after midnight . Mostly cloudy, with a low around 32.
Thursday
A chance of snow before 11am, then a slight chance of rain. Snow level rising to 2800 feet in the afternoon. Mostly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Cascade Locks OR
 45.58°N 121.85°W (Elev. 2018 ft)
2:41 am PDT Mar 22, 2026
2am PDT Mar 22, 2026-6pm PDT Mar 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database