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

Portland, Portland International Airport (KPDX)

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

Mostly Cloudy

58°F

14°C

Humidity 86%
Wind Speed SW 14 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Dec 07:53 AM PST
Extended Forecast for

Portland International Airport OR

  • Today

    Today: Showers likely, mainly before 5pm.  Mostly cloudy, with a high near 60. Breezy, with a south southwest wind 15 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Showers, mainly after 7pm.  Low around 54. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers, mainly before 4pm.  High near 58. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly before 10pm.  Mostly cloudy, with a low around 51. South wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers.  Mostly cloudy, with a high near 57. Calm wind.

    High: 57 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers after 4pm.  Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 10pm, then rain likely, mainly after 4am.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain Likely

Detailed Forecast

Today
Showers likely, mainly before 5pm. Mostly cloudy, with a high near 60. Breezy, with a south southwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Tonight
Showers, mainly after 7pm. Low around 54. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers, mainly before 4pm. High near 58. South southwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 50 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 51. South wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 57. Calm wind.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
A 10 percent chance of showers after 4pm. Partly sunny, with a high near 57.
Saturday Night
A slight chance of showers before 10pm, then rain likely, mainly after 4am. Mostly cloudy, with a low around 46.
Sunday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 55.
Sunday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 49.
Monday
Rain. Cloudy, with a high near 57.
Monday Night
Rain. Cloudy, with a low around 47.
Tuesday
Rain. Mostly cloudy, with a high near 54. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Airport OR
 45.6°N 122.6°W (Elev. 200 ft)
7:41 am PST Dec 10, 2025
8am PST Dec 10, 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