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

43°F

6°C

Humidity 94%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 20 Mar 06:45 AM PDT
Extended Forecast for

7 Miles ESE Cascade Locks OR

  • Today

    Today: Rain, mainly after 2pm.  High near 49. Breezy, with a west southwest wind 17 to 20 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Breezy.
    Chance Rain
    then Rain

  • Tonight

    Tonight: Rain before 2am, then a chance of rain and snow between 2am and 4am, then a chance of snow after 4am.  Snow level 8000 feet lowering to 4400 feet after midnight . Low around 32. Breezy, with a west wind 16 to 18 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Breezy. Rain
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A 40 percent chance of snow before 11am.  Mostly sunny, with a high near 39. Breezy, with a west wind 18 to 20 mph, with gusts as high as 26 mph.  New snow accumulation of less than a half inch possible.

    High: 39 °F

    Breezy.
    Chance Snow
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Windy, with a west wind 13 to 22 mph, with gusts as high as 28 mph.

    Low: 26 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 43. West northwest wind around 11 mph.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Snow, possibly mixed with rain, mainly after 5am.  Snow level 4700 feet rising to 5300 feet after midnight. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 8am.  Snow level 5800 feet rising to 6600 feet in the afternoon. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain/Snow
    then Rain

Detailed Forecast

Today
Rain, mainly after 2pm. High near 49. Breezy, with a west southwest wind 17 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 2am, then a chance of rain and snow between 2am and 4am, then a chance of snow after 4am. Snow level 8000 feet lowering to 4400 feet after midnight . Low around 32. Breezy, with a west wind 16 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow before 11am. Mostly sunny, with a high near 39. Breezy, with a west wind 18 to 20 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 26. Windy, with a west wind 13 to 22 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 43. West northwest wind around 11 mph.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Mostly cloudy, with a high near 46.
Monday Night
Snow, possibly mixed with rain, mainly after 5am. Snow level 4700 feet rising to 5300 feet after midnight. Mostly cloudy, with a low around 37.
Tuesday
Rain and snow, becoming all rain after 8am. Snow level 5800 feet rising to 6600 feet in the afternoon. Mostly cloudy, with a high near 45.
Tuesday Night
Rain before 2am, then rain and snow likely. Snow level 6400 feet lowering to 4700 feet after midnight . Mostly cloudy, with a low around 32. Breezy.
Wednesday
Rain and snow. Mostly cloudy, with a high near 37. Breezy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Windy.
Thursday
A slight chance of snow. Mostly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Cascade Locks OR
 45.63°N 121.77°W (Elev. 4442 ft)
6:41 am PDT Mar 20, 2026
7am 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