Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

DEE FLAT (DEFO)

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

NA

32°F

0°C

Humidity 90%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 28 Dec 08:45 AM PST
Extended Forecast for

7 Miles ESE Cascade Locks OR

  • Today

    Today: Mostly sunny, with a high near 30. East wind around 8 mph.

    High: 30 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Breezy, with an east southeast wind 14 to 17 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Partly sunny, with a high near 32. Breezy, with an east wind 13 to 17 mph, with gusts as high as 21 mph.

    High: 32 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. Breezy, with an east wind 16 to 18 mph, with gusts as high as 24 mph.

    Low: 23 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 29. Breezy, with an east wind 14 to 18 mph, with gusts as high as 24 mph.

    High: 29 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. Breezy.

    Low: 23 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A chance of rain and snow after 10am.  Snow level 4800 feet. Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 30. East wind around 8 mph.
Tonight
Mostly cloudy, with a low around 27. Breezy, with an east southeast wind 14 to 17 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 32. Breezy, with an east wind 13 to 17 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 23. Breezy, with an east wind 16 to 18 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 29. Breezy, with an east wind 14 to 18 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 23. Breezy.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 26.
New Year's Day
A chance of rain and snow after 10am. Snow level 4800 feet. Mostly cloudy, with a high near 35.
Thursday Night
Snow, possibly mixed with rain, mainly after 10pm. Snow level 4700 feet. Mostly cloudy, with a low around 30. Breezy.
Friday
Snow. Cloudy, with a high near 34. Breezy.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 28.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 32.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Cascade Locks OR
 45.63°N 121.77°W (Elev. 4442 ft)
8:41 am PST Dec 28, 2025
9am PST Dec 28, 2025-6pm PST Jan 3, 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