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 86%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 20 Mar 07:45 AM PDT
Extended Forecast for

9 Miles NNW Cascade Locks OR

  • Today

    Today: Rain, mainly after 2pm.  High near 61. West wind 3 to 6 mph. Winds could gust as high as 20 mph.  Chance of precipitation is 80%.

    High: 61 °F

    Chance Rain
    then Rain

  • Tonight

    Tonight: Rain.  Low around 41. West northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 11am.  Snow level 3100 feet lowering to 2300 feet. Partly sunny, then gradually becoming sunny, with a high near 52. West wind 3 to 7 mph. Winds could gust as high as 18 mph.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 5am.  Otherwise, mostly clear, with a low around 32. West wind around 6 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Sunday

    Sunday: Widespread frost before 9am.  Otherwise, mostly sunny, with a high near 57. Light west wind.

    High: 57 °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 59.

    High: 59 °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.  Cloudy, with a high near 57.

    High: 57 °F

    Rain

Detailed Forecast

Today
Rain, mainly after 2pm. High near 61. West wind 3 to 6 mph. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Tonight
Rain. Low around 41. West northwest wind around 5 mph becoming calm in the evening. 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 3100 feet lowering to 2300 feet. Partly sunny, then gradually becoming sunny, with a high near 52. West wind 3 to 7 mph. Winds could gust as high as 18 mph.
Saturday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Sunday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 57. Light west wind.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly cloudy, with a high near 59.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 43.
Tuesday
Rain. Cloudy, with a high near 57.
Tuesday Night
Rain. Mostly cloudy, with a low around 39.
Wednesday
Rain. Mostly cloudy, with a high near 48.
Wednesday Night
A chance of rain and snow. Snow level 3600 feet lowering to 2000 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 54.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Cascade Locks OR
 45.81°N 121.91°W (Elev. 1010 ft)
7:41 am PDT Mar 20, 2026
8am 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