Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Current conditions at

DEE FLAT (DEFO)

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

NA

33°F

1°C

Humidity 94%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 09 Mar 11:45 PM PDT
Extended Forecast for

7 Miles ESE Cascade Locks OR

Winter Weather Advisory March 10, 12:28am until March 11, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 10, 12:28am until March 11, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Overnight

    Low: 22 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Snow, mainly after 2pm. The snow could be heavy at times.  High near 29. Breezy, with a west southwest wind 15 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 29 °F

    Breezy.
    Chance Snow
    then Heavy
    Snow

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Low around 29. Breezy, with a west southwest wind 17 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 29 °F

    Heavy Snow
    and Breezy

  • Wednesday

    Wednesday: Snow before 2pm, then snow, possibly mixed with rain. The snow could be heavy at times.  High near 39. Breezy, with a west southwest wind 16 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 39 °F

    Breezy. Heavy
    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow before 8pm, then rain between 8pm and 5am, then rain, possibly mixed with snow after 5am.  Snow level 5300 feet. Low around 35. Very windy, with a west southwest wind 24 to 33 mph, with gusts as high as 43 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Rain/Snow and
    Very Windy

  • Thursday

    Thursday: Rain and snow before 11am, then snow between 11am and 2pm, then snow, possibly mixed with rain after 2pm.  Snow level 5200 feet lowering to 4400 feet. High near 39. Very windy.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 39 °F

    Rain/Snow and
    Very Windy

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow.  Snow level 4800 feet rising to 5400 feet after midnight. Low around 38. Windy.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow and
    Windy

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 5pm.  Snow level 5500 feet. Cloudy, with a high near 40. Windy.

    High: 40 °F

    Rain/Snow and
    Windy

Detailed Forecast

Overnight
A 50 percent chance of snow. Mostly cloudy, with a low around 22. Breezy, with a west wind around 17 mph, with gusts as high as 23 mph. Total nighttime snow accumulation of 3 to 5 inches possible.
Tuesday
Snow, mainly after 2pm. The snow could be heavy at times. High near 29. Breezy, with a west southwest wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 29. Breezy, with a west southwest wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Wednesday
Snow before 2pm, then snow, possibly mixed with rain. The snow could be heavy at times. High near 39. Breezy, with a west southwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday Night
Rain, possibly mixed with snow before 8pm, then rain between 8pm and 5am, then rain, possibly mixed with snow after 5am. Snow level 5300 feet. Low around 35. Very windy, with a west southwest wind 24 to 33 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow before 11am, then snow between 11am and 2pm, then snow, possibly mixed with rain after 2pm. Snow level 5200 feet lowering to 4400 feet. High near 39. Very windy. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Rain, possibly mixed with snow. Snow level 4800 feet rising to 5400 feet after midnight. Low around 38. Windy. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow, becoming all rain after 5pm. Snow level 5500 feet. Cloudy, with a high near 40. Windy.
Friday Night
Rain before 8pm, then rain and snow between 8pm and 2am, then snow after 2am. Snow level 5600 feet lowering to 4400 feet after midnight . Cloudy, with a low around 29. Windy.
Saturday
Snow likely, mainly before 11am. Partly sunny, with a high near 35. Windy.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 28. Breezy.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 40.
Sunday Night
A chance of rain. Snow level 4800 feet rising to 6700 feet after midnight. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Partly sunny, with a high near 51.
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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 9, 2026
12am PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
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Additional Resources

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