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

42°F

6°C

Humidity 68%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 27 Dec 11:15 AM PST
Extended Forecast for

6 Miles NNW Dee OR

Winter Weather Advisory December 27, 11:35am until December 27, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 27, 11:35am until December 27, 04:00pm

    NOW until 4:00pm Sat

    Winter Weather Advisory

  • Today

    High: 38 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: A slight chance of snow showers between 9pm and 1am.  Widespread frost, mainly after 4am.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 31. West wind 6 to 8 mph.  Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Widespread frost before 10am.  Otherwise, mostly sunny, with a high near 38. East wind around 6 mph.

    High: 38 °F

    Frost then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. East wind 7 to 9 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 38. East wind around 10 mph, with gusts as high as 18 mph.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 38. Breezy, with a west wind 13 to 16 mph, with gusts as high as 30 mph.
Tonight
A slight chance of snow showers between 9pm and 1am. Widespread frost, mainly after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 31. West wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday
Widespread frost before 10am. Otherwise, mostly sunny, with a high near 38. East wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 30. East wind 7 to 9 mph.
Monday
Partly sunny, with a high near 38. East wind around 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 33.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 41.
Thursday Night
Rain likely, possibly mixed with snow. Snow level 3700 feet. Mostly cloudy, with a low around 36.
Friday
Rain likely, possibly mixed with snow. Snow level 2900 feet. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Dee OR
 45.67°N 121.66°W (Elev. 1781 ft)
10:41 am PST Dec 27, 2025
11am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database