Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

DEE FLAT (DEFO)

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

NA

56°F

13°C

Humidity 82%
Wind Speed S 9 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 11 Dec 12:45 AM PST
Extended Forecast for

7 Miles ESE Cascade Locks OR

  • Overnight

    Overnight: Showers.  Low around 43. Very windy, with a west wind around 34 mph, with gusts as high as 46 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers and
    Very Windy

  • Thursday

    Thursday: Showers.  High near 46. Windy, with a west wind 20 to 25 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Showers and
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 10pm.  Mostly cloudy, with a low around 43. West wind 8 to 10 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 45. West wind 6 to 8 mph.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. West southwest wind around 11 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am.  Snow level 6400 feet. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Slight Chance
    Rain then
    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 42.

    High: 42 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain, mainly after 4am.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain

Detailed Forecast

Overnight
Showers. Low around 43. Very windy, with a west wind around 34 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers. High near 46. Windy, with a west wind 20 to 25 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 43. West wind 8 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 45. West wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 39. West southwest wind around 11 mph.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Rain likely, mainly after 4am. Snow level 6400 feet. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Sunday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 42.
Sunday Night
Rain, mainly after 4am. Mostly cloudy, with a low around 40.
Monday
Rain. Cloudy, with a high near 44.
Monday Night
Rain, possibly mixed with snow. Snow level 7100 feet lowering to 5600 feet after midnight . Cloudy, with a low around 37. Very windy.
Tuesday
Rain and snow. Snow level 4900 feet. Cloudy, with a high near 38. Windy.
Tuesday Night
Snow, possibly mixed with rain. The snow could be heavy at times. Cloudy, with a low around 32. Very windy.
Wednesday
Snow. The snow could be heavy at times. Cloudy, with a high near 35. 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)
1:00 am PST Dec 11, 2025
1am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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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