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

DEE FLAT (DEFO)

Lat: 45.58639°NLon: 121.64056°WElev: 1260.0ft.

NA

48°F

9°C

Humidity 65%
Wind Speed SSW 6 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 21 Mar 09:00 AM PDT
Extended Forecast for

8 Miles E Cascade Locks OR

  • Today

    Today: Sunny, with a high near 53. Windy, with a west wind 16 to 22 mph, with gusts as high as 31 mph.

    High: 53 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Areas of frost after 5am.  Otherwise, clear, with a low around 34. Breezy, with a west wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.

    Low: 34 °F

    Clear and
    Breezy then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am.  Otherwise, sunny, with a high near 58. West northwest wind 6 to 8 mph becoming east in the morning.

    High: 58 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Calm wind becoming east northeast 5 to 7 mph in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 57. West wind 8 to 10 mph.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  High near 55. Breezy.  Chance of precipitation is 90%.

    High: 55 °F

    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain.  Mostly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain.  Mostly cloudy, with a high near 53. Windy.

    High: 53 °F

    Rain and
    Windy

Detailed Forecast

Today
Sunny, with a high near 53. Windy, with a west wind 16 to 22 mph, with gusts as high as 31 mph.
Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 34. Breezy, with a west wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 58. West northwest wind 6 to 8 mph becoming east in the morning.
Sunday Night
Mostly cloudy, with a low around 39. Calm wind becoming east northeast 5 to 7 mph in the evening.
Monday
Partly sunny, with a high near 57. West wind 8 to 10 mph.
Monday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 45.
Tuesday
Rain. High near 55. Breezy. Chance of precipitation is 90%.
Tuesday Night
Rain. Mostly cloudy, with a low around 41. Breezy.
Wednesday
Rain. Mostly cloudy, with a high near 53. Windy.
Wednesday Night
A chance of rain before 11pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 35. Windy.
Thursday
A slight chance of rain and snow. Snow level 2000 feet rising to 3100 feet in the afternoon. Mostly sunny, with a high near 52. Breezy.
Thursday Night
Mostly clear, with a low around 35. Breezy.
Friday
Sunny, with a high near 56. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Cascade Locks OR
 45.71°N 121.7°W (Elev. 200 ft)
8:41 am PDT Mar 21, 2026
9am PDT Mar 21, 2026-6pm PDT Mar 27, 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