Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

DEE FLAT (DEFO)

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

NA

31°F

-1°C

Humidity 97%
Wind Speed N 6 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 21 Feb 09:15 AM PST
Extended Forecast for

7 Miles ESE Cascade Locks OR

Winter Weather Advisory February 21, 10:21am until February 21, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 21, 10:21am until February 21, 10:00pm

    NOW until 10:00pm Sat

    Winter Weather Advisory

  • Today

    High: 30 °F

    Heavy Snow
    and Windy

  • Tonight

    Tonight: Snow.  Low around 29. Windy, with an east southeast wind 22 to 24 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Snow and
    Windy

  • Sunday

    Sunday: Snow.  High near 35. Breezy, with an east wind 9 to 16 mph becoming south in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow and
    Breezy

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow.  Snow level 4500 feet rising to 5100 feet after midnight. Low around 35. East southeast wind around 10 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Rain/Snow

  • Monday

    Monday: Rain, possibly mixed with snow, becoming all rain after 4pm.  Snow level 5700 feet. High near 38. Southeast wind around 11 mph becoming southwest in the afternoon.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow

  • Monday Night

    Monday Night: Rain before 7pm, then rain and snow.  Snow level 5800 feet. Low around 35. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Rain/Snow

  • Tuesday

    Tuesday: Snow, possibly mixed with rain, becoming all snow after 10am.  High near 37. Breezy.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Breezy.
    Rain/Snow
    then Snow

  • Tuesday Night

    Tuesday Night: Snow likely.  Mostly cloudy, with a low around 29. Breezy.

    Low: 29 °F

    Snow Likely
    and Breezy

Detailed Forecast

Today
Snow, mainly before 5pm. The snow could be heavy at times. High near 30. Windy, with an east southeast wind around 22 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.
Tonight
Snow. Low around 29. Windy, with an east southeast wind 22 to 24 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Sunday
Snow. High near 35. Breezy, with an east wind 9 to 16 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Rain, possibly mixed with snow. Snow level 4500 feet rising to 5100 feet after midnight. Low around 35. East southeast wind around 10 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday
Rain, possibly mixed with snow, becoming all rain after 4pm. Snow level 5700 feet. High near 38. Southeast wind around 11 mph becoming southwest in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.
Monday Night
Rain before 7pm, then rain and snow. Snow level 5800 feet. Low around 35. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday
Snow, possibly mixed with rain, becoming all snow after 10am. High near 37. Breezy. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 29. Breezy.
Wednesday
Snow likely. Mostly cloudy, with a high near 35. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 29. Breezy.
Thursday
Snow likely. Mostly cloudy, with a high near 38. Windy.
Thursday Night
Snow likely. Mostly cloudy, with a low around 32. Windy.
Friday
Snow likely. Mostly cloudy, with a high near 37. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Cascade Locks OR
 45.63°N 121.77°W (Elev. 4442 ft)
9:42 am PST Feb 21, 2026
10am PST Feb 21, 2026-6pm PST Feb 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