Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Current conditions at

DEE FLAT (DEFO)

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

NA

42°F

6°C

Humidity 58%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 10 Mar 12:00 PM PDT
Extended Forecast for

7 Miles ESE Cascade Locks OR

Winter Weather Advisory March 10, 12:50pm until March 11, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 10, 12:50pm until March 11, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • This Afternoon

    High: 29 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Low around 28. Breezy, with a west southwest wind 18 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Low: 28 °F

    Heavy Snow
    and Breezy

  • Wednesday

    Wednesday: Snow before noon, then rain and snow. The snow could be heavy at times.  High near 39. Windy, with a west southwest wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 39 °F

    Heavy Snow
    and Breezy
    then
    Rain/Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Rain before 5am, then rain and snow. The rain could be heavy at times.  Snow level 5400 feet. Low around 32. Very windy, with a west southwest wind 32 to 37 mph, with gusts as high as 50 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Very Windy.
    Heavy Rain
    then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow, becoming all snow after 8am. The rain and snow could be heavy at times.  High near 38. Very windy, with a west wind 23 to 33 mph, with gusts as high as 46 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 38 °F

    Rain/Snow and
    Very Windy
    then Snow and
    Windy

  • Thursday Night

    Thursday Night: Snow before 8pm, then rain and snow.  Snow level rising to 5300 feet after midnight. Low around 34. Windy.  Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 34 °F

    Rain/Snow and
    Windy

  • Friday

    Friday: Rain, possibly mixed with snow.  Snow level 5400 feet rising to 5900 feet in the afternoon. High near 39. Windy.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow and
    Windy

  • Friday Night

    Friday Night: Rain before 11pm, then rain and snow.  Snow level 5800 feet lowering to 4400 feet after midnight . Cloudy, with a low around 30. Windy.

    Low: 30 °F

    Rain/Snow and
    Windy

Detailed Forecast

This Afternoon
Snow, mainly after 2pm. The snow could be heavy at times. High near 29. Breezy, with a west southwest wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around 28. Breezy, with a west southwest wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Wednesday
Snow before noon, then rain and snow. The snow could be heavy at times. High near 39. Windy, with a west southwest wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday Night
Rain before 5am, then rain and snow. The rain could be heavy at times. Snow level 5400 feet. Low around 32. Very windy, with a west southwest wind 32 to 37 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday
Rain and snow, becoming all snow after 8am. The rain and snow could be heavy at times. High near 38. Very windy, with a west wind 23 to 33 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow before 8pm, then rain and snow. Snow level rising to 5300 feet after midnight. Low around 34. Windy. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Friday
Rain, possibly mixed with snow. Snow level 5400 feet rising to 5900 feet in the afternoon. High near 39. Windy. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain before 11pm, then rain and snow. Snow level 5800 feet lowering to 4400 feet after midnight . Cloudy, with a low around 30. Windy.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 34. Windy.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 27. Breezy.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 39.
Sunday Night
A chance of rain and snow. Snow level 4900 feet rising to 7000 feet after midnight. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Cascade Locks OR
 45.63°N 121.77°W (Elev. 4442 ft)
12:41 pm PDT Mar 10, 2026
12pm PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

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