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

62°F

17°C

Humidity 49%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 20 Mar 10:35 AM PDT
Extended Forecast for

Cascade Locks OR

  • Today

    Today: Rain, mainly after 2pm. High near 64. West southwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 64 °F

    Chance Rain
    then Rain

  • Tonight

    Tonight: Rain before 4am, then a slight chance of rain after 5am. Low around 44. West southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 54. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 54 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 5am. Otherwise, clear, with a low around 36. West southwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 24 mph.

    Low: 36 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 7am. Otherwise, sunny, with a high near 59. Calm wind becoming west northwest 5 to 7 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: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • 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 60.

    High: 60 °F

    Rain

Detailed Forecast

Today
Rain, mainly after 2pm. High near 64. West southwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Tonight
Rain before 4am, then a slight chance of rain after 5am. Low around 44. West southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 54. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.
Saturday Night
Areas of frost after 5am. Otherwise, clear, with a low around 36. West southwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 24 mph.
Sunday
Areas of frost before 7am. Otherwise, sunny, with a high near 59. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 61.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 46.
Tuesday
Rain. Mostly cloudy, with a high near 60.
Tuesday Night
Rain. Mostly cloudy, with a low around 42.
Wednesday
Rain. Mostly cloudy, with a high near 51. Breezy.
Wednesday Night
A chance of rain and snow. Snow level 3600 feet lowering to 2100 feet after midnight . Mostly cloudy, with a low around 36. Breezy.
Thursday
A slight chance of rain and snow. Snow level 1700 feet rising to 2900 feet in the afternoon. Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cascade Locks OR
 45.68°N 121.91°W (Elev. 197 ft)
Last Update:
10:41 am PDT Mar 20, 2026
Forecast Valid:
10am 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