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

37°F

3°C

Humidity 82%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 22 Mar 04:06 AM PDT
Extended Forecast for

4 Miles NE Cascade Locks OR

  • Today

    Today: Areas of frost before 9am.  Otherwise, mostly sunny, with a high near 59. Light and variable wind becoming east southeast around 6 mph in the morning.

    High: 59 °F

    Areas Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. East wind around 6 mph becoming west after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. West wind 5 to 7 mph.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers after 11pm.  Mostly cloudy, with a low around 45. West wind 5 to 7 mph.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Rain.  High near 56. West southwest wind 6 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 42. Breezy.  Chance of precipitation is 100%.

    Low: 42 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain.  High near 52. Breezy.  Chance of precipitation is 80%.

    High: 52 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Snow level 3300 feet lowering to 1900 feet after midnight . Mostly cloudy, with a low around 36. Breezy.

    Low: 36 °F

    Rain Likely
    and Breezy

  • Thursday

    Thursday: A slight chance of rain.  Snow level 1600 feet rising to 2800 feet in the afternoon. Mostly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 59. Light and variable wind becoming east southeast around 6 mph in the morning.
Tonight
Mostly cloudy, with a low around 38. East wind around 6 mph becoming west after midnight.
Monday
Partly sunny, with a high near 60. West wind 5 to 7 mph.
Monday Night
A 40 percent chance of showers after 11pm. Mostly cloudy, with a low around 45. West wind 5 to 7 mph.
Tuesday
Rain. High near 56. West southwest wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 42. Breezy. Chance of precipitation is 100%.
Wednesday
Rain. High near 52. Breezy. Chance of precipitation is 80%.
Wednesday Night
Rain likely, mainly before 11pm. Snow level 3300 feet lowering to 1900 feet after midnight . Mostly cloudy, with a low around 36. Breezy.
Thursday
A slight chance of rain. Snow level 1600 feet rising to 2800 feet in the afternoon. Mostly sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 59. Breezy.
Friday Night
Mostly clear, with a low around 39.
Saturday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Cascade Locks OR
 45.71°N 121.82°W (Elev. 194 ft)
3:42 am PDT Mar 22, 2026
4am PDT Mar 22, 2026-6pm PDT Mar 28, 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