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

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

53°F

12°C

Humidity 85%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 20 Mar 08:05 AM PDT
Extended Forecast for

Cascade Locks OR

  • Today

    Today: Rain, mainly after 2pm. High near 61. Breezy, with a west southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 61 °F

    Chance Rain
    then Rain and
    Breezy

  • Tonight

    Tonight: Rain likely, mainly before 2am. Mostly cloudy, with a low around 44. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain Likely

  • Saturday

    Saturday: A 40 percent chance of rain before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 52. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Chance Rain
    then Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 36. Breezy, with a west wind 6 to 15 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Mostly Clear
    and Breezy
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 7am. Otherwise, mostly sunny, with a high near 56. West northwest wind 5 to 9 mph.

    High: 56 °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 59.

    High: 59 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. Mostly cloudy, with a high near 58.

    High: 58 °F

    Rain

Detailed Forecast

Today
Rain, mainly after 2pm. High near 61. Breezy, with a west southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Tonight
Rain likely, mainly before 2am. Mostly cloudy, with a low around 44. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 40 percent chance of rain before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 52. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 36. Breezy, with a west wind 6 to 15 mph, with gusts as high as 25 mph.
Sunday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 56. West northwest wind 5 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly cloudy, with a high near 59.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 46.
Tuesday
Rain. Mostly cloudy, with a high near 58.
Tuesday Night
Rain. Mostly cloudy, with a low around 42.
Wednesday
Rain. Mostly cloudy, with a high near 48. Breezy.
Wednesday Night
A chance of rain. Snow level 3700 feet lowering to 2100 feet after midnight . Mostly cloudy, with a low around 35. Breezy.
Thursday
A slight chance of rain. Snow level 1700 feet rising to 2900 feet in the afternoon. Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cascade Locks OR
 45.68°N 121.88°W (Elev. 194 ft)
Last Update:
7:41 am PDT Mar 20, 2026
Forecast Valid:
8am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation