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-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Overcast

63°F

17°C

Humidity 72%
Wind Speed SW 12 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Dec 03:15 PM PST
Extended Forecast for

5 Miles SE Troutdale OR

  • This Afternoon

    This Afternoon: Showers likely, mainly before 4pm.  Mostly cloudy, with a high near 58. Breezy, with a south southwest wind around 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Showers.  Low around 53. Breezy, with a southwest wind 16 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers, mainly before 1pm.  High near 55. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%.

    High: 55 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 10pm.  Mostly cloudy, with a low around 49. Southeast wind 3 to 6 mph.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 10pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

Detailed Forecast

This Afternoon
Showers likely, mainly before 4pm. Mostly cloudy, with a high near 58. Breezy, with a south southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Tonight
Showers. Low around 53. Breezy, with a southwest wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers, mainly before 1pm. High near 55. Southwest wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers before 10pm. Mostly cloudy, with a low around 49. Southeast wind 3 to 6 mph.
Friday
Partly sunny, with a high near 56. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
A chance of rain after 10pm. Mostly cloudy, with a low around 46.
Sunday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 53.
Sunday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 48.
Monday
Rain. Cloudy, with a high near 56.
Monday Night
Rain. Cloudy, with a low around 46. Breezy.
Tuesday
Rain. Cloudy, with a high near 50. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Troutdale OR
 45.49°N 122.32°W (Elev. 600 ft)
2:41 pm PST Dec 10, 2025
3pm 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