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

52°F

11°C

Humidity 85%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 20 Mar 06:45 AM PDT
Extended Forecast for

4 Miles SSW Cascade Locks OR

  • Today

    Today: Rain, mainly after 2pm. High near 61. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance Rain
    then Rain

  • Tonight

    Tonight: Rain, mainly before 2am. Low around 40. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 11am. Snow level 3500 feet lowering to 2300 feet. Mostly sunny, with a high near 49. Calm wind becoming west around 5 mph in the afternoon.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32. West wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, mostly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. Mostly cloudy, with a high near 57.

    High: 57 °F

    Rain

Detailed Forecast

Today
Rain, mainly after 2pm. High near 61. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 2am. Low around 40. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 40 percent chance of rain, mainly before 11am. Snow level 3500 feet lowering to 2300 feet. Mostly sunny, with a high near 49. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32. West wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 55. Calm wind.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly cloudy, with a high near 57.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 43.
Tuesday
Rain. Mostly cloudy, with a high near 57.
Tuesday Night
Rain. Mostly cloudy, with a low around 39.
Wednesday
Rain. Mostly cloudy, with a high near 47.
Wednesday Night
A chance of rain and snow. Snow level 3700 feet lowering to 2100 feet after midnight . Mostly cloudy, with a low around 32.
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 52.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
Last Update:
6:41 am PDT Mar 20, 2026
Forecast Valid:
7am PDT Mar 20, 2026-6pm PDT Mar 26, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation