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 56%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 20 Mar 11:45 AM PDT
Extended Forecast for

4 Miles SW Cascade Locks OR

  • This Afternoon

    This Afternoon: Rain, mainly after 2pm.  High near 58. West southwest wind around 8 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Rain

  • Tonight

    Tonight: Rain before 4am, then a slight chance of rain and snow after 5am.  Snow level 8200 feet lowering to 3400 feet after midnight . Low around 38. West southwest wind around 7 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain then
    Chance
    Rain/Snow

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 48. West southwest wind 6 to 9 mph.

    High: 48 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 3am.  Otherwise, clear, with a low around 32. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 32 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost before 9am.  Otherwise, sunny, with a high near 55. Light and variable 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 55.

    High: 55 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain

Detailed Forecast

This Afternoon
Rain, mainly after 2pm. High near 58. West southwest wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain before 4am, then a slight chance of rain and snow after 5am. Snow level 8200 feet lowering to 3400 feet after midnight . Low around 38. West southwest wind around 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 48. West southwest wind 6 to 9 mph.
Saturday Night
Widespread frost, mainly after 3am. Otherwise, clear, with a low around 32. West southwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 55. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly cloudy, with a high near 55.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 41.
Tuesday
Rain. Mostly cloudy, with a high near 55.
Tuesday Night
Rain. Mostly cloudy, with a low around 40.
Wednesday
Rain. Snow level 4300 feet lowering to 3700 feet. Mostly cloudy, with a high near 46.
Wednesday Night
A chance of rain and snow. Snow level 3500 feet lowering to 2400 feet after midnight . Mostly cloudy, with a low around 31.
Thursday
A slight chance of rain and snow. Sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Cascade Locks OR
 45.63°N 121.93°W (Elev. 2418 ft)
11:41 am PDT Mar 20, 2026
12pm PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database