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 82%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 20 Mar 05:05 AM PDT
Extended Forecast for

3 Miles WSW Cascade Locks OR

  • Overnight

    Overnight: A 20 percent chance of rain.  Partly cloudy, with a low around 55. Southwest wind around 6 mph.

    Low: 55 °F

    Slight Chance
    Rain

  • Friday

    Friday: Rain, mainly after 2pm.  High near 63. West southwest wind 6 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain
    then Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 2am.  Mostly cloudy, with a low around 43. West southwest wind around 7 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: A 40 percent chance of rain before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 52. West southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 52 °F

    Chance Rain
    then Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 4am.  Otherwise, mostly clear, with a low around 35. West wind 5 to 10 mph becoming light west southwest  in the evening. Winds could gust as high as 22 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 7am.  Otherwise, mostly sunny, with a high near 58.

    High: 58 °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 60.

    High: 60 °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

Detailed Forecast

Overnight
A 20 percent chance of rain. Partly cloudy, with a low around 55. Southwest wind around 6 mph.
Friday
Rain, mainly after 2pm. High near 63. West southwest wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly before 2am. Mostly cloudy, with a low around 43. West southwest wind around 7 mph, with gusts as high as 18 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. West southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Saturday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 35. West wind 5 to 10 mph becoming light west southwest in the evening. Winds could gust as high as 22 mph.
Sunday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 60.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 46.
Tuesday
Rain. Mostly cloudy, with a high near 59.
Tuesday Night
Rain. Mostly cloudy, with a low around 42.
Wednesday
Rain. Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain and snow. Snow level 3700 feet lowering to 2100 feet after midnight . Mostly cloudy, with a low around 35.
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 56.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Cascade Locks OR
 45.65°N 121.93°W (Elev. 200 ft)
4:41 am PDT Mar 20, 2026
5am 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