Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

DEE FLAT (DEFO)

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

NA

41°F

5°C

Humidity 91%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 15 Mar 11:15 PM PDT
Extended Forecast for

7 Miles ESE Cascade Locks OR

  • Tonight

    Tonight: A 20 percent chance of rain.  Mostly cloudy, with a low around 36. West southwest wind 8 to 14 mph.

    Low: 36 °F

    Slight Chance
    Rain

  • Monday

    Monday: A 40 percent chance of rain before 11am.  Snow level 10400 feet lowering to 6200 feet in the afternoon . Partly sunny, with a high near 53. Breezy, with a west southwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 53 °F

    Chance Rain
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of rain after 4am.  Snow level 6100 feet rising to 7700 feet after midnight. Increasing clouds, with a low around 42. Breezy, with a west southwest wind around 17 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Breezy.
    Mostly Clear
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Rain likely.  Mostly cloudy, with a high near 50. Breezy, with a west wind 13 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%.

    High: 50 °F

    Rain Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 41. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Partly sunny, with a high near 52. Breezy.  Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain.  Partly sunny, with a high near 54. Breezy.

    High: 54 °F

    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: Rain likely.  Mostly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Rain Likely
    and Breezy

Detailed Forecast

Tonight
A 20 percent chance of rain. Mostly cloudy, with a low around 36. West southwest wind 8 to 14 mph.
Monday
A 40 percent chance of rain before 11am. Snow level 10400 feet lowering to 6200 feet in the afternoon . Partly sunny, with a high near 53. Breezy, with a west southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Monday Night
A 20 percent chance of rain after 4am. Snow level 6100 feet rising to 7700 feet after midnight. Increasing clouds, with a low around 42. Breezy, with a west southwest wind around 17 mph, with gusts as high as 23 mph.
Tuesday
Rain likely. Mostly cloudy, with a high near 50. Breezy, with a west wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 20 mph.
Wednesday
Rain likely, mainly before 11am. Partly sunny, with a high near 52. Breezy. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Partly sunny, with a high near 54. Breezy.
Thursday Night
Rain likely. Mostly cloudy, with a low around 44. Breezy.
Friday
Rain likely. Mostly cloudy, with a high near 50.
Friday Night
Rain likely. Snow level 7300 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 35. Breezy.
Saturday
A chance of rain and snow. Partly sunny, with a high near 43. Breezy.
Saturday Night
A slight chance of rain and snow. Partly cloudy, with a low around 30. Breezy.
Sunday
A slight chance of snow. Mostly sunny, with a high near 44. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Cascade Locks OR
 45.63°N 121.77°W (Elev. 4442 ft)
11:41 pm PDT Mar 15, 2026
11pm PDT Mar 15, 2026-6pm PDT Mar 22, 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