Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

light rain,mist

48°F

9°C

Humidity 100%
Wind Speed ESE 10 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Wind Chill44°F (7°C)
Last update 09 Dec 07:35 PM PST
Extended Forecast for

Milwaukie OR

Flood Watch December 9, 07:53pm until December 11, 04:00pm
Wind Advisory until December 10, 10:00pm
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch December 9, 07:53pm until December 11, 04:00pm
    Wind Advisory until December 10, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 56 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain likely, mainly before 3pm.  Cloudy, with a high near 60. Breezy, with a south southwest wind around 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%.

    High: 60 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: Rain.  Low around 54. South southwest wind around 14 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Rain

  • Thursday

    Thursday: Rain, mainly before 4pm.  High near 58. South southwest wind 8 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 51. Light south southwest wind.

    Low: 51 °F

    Chance Rain
    then Slight
    Chance Rain

  • Friday

    Friday: A 10 percent chance of rain after 4pm.  Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Tonight
Rain, mainly after 4am. Steady temperature around 56. Breezy, with a south southwest wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly before 3pm. Cloudy, with a high near 60. Breezy, with a south southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Wednesday Night
Rain. Low around 54. South southwest wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly before 4pm. High near 58. South southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 51. Light south southwest wind.
Friday
A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 58.
Friday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 57.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 47.
Sunday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 54.
Sunday Night
Rain likely. Mostly cloudy, with a low around 46.
Monday
Rain. Cloudy, with a high near 57.
Monday Night
Rain. Cloudy, with a low around 48.
Tuesday
Rain likely. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Milwaukie OR
 45.45°N 122.62°W (Elev. 180 ft)
7:41 pm PST Dec 9, 2025
7pm PST Dec 9, 2025-6pm PST Dec 16, 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