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

61°F

16°C

Humidity 72%
Wind Speed SW 16 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 10 Dec 11:00 PM PST
Extended Forecast for

4 Miles WNW Gresham OR

  • Tonight

    Tonight: Showers.  Low around 54. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers, mainly before noon.  High near 58. South southwest wind 7 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%.

    High: 58 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 10pm.  Mostly cloudy, with a low around 50. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 57. Light and variable wind.

    High: 57 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent 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 55.

    High: 55 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain, mainly after 10pm.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain

Detailed Forecast

Tonight
Showers. Low around 54. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers, mainly before noon. High near 58. South southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers before 10pm. Mostly cloudy, with a low around 50. South southwest wind around 5 mph becoming calm in the evening.
Friday
Mostly cloudy, with a high near 57. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 45. Calm wind.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 46.
Sunday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 55.
Sunday Night
Rain, mainly after 10pm. Mostly cloudy, with a low around 49.
Monday
Rain. Cloudy, with a high near 58.
Monday Night
Rain. Cloudy, with a low around 47. Breezy.
Tuesday
Rain. Cloudy, with a high near 53. Breezy.
Tuesday Night
Rain. Cloudy, with a low around 45. Breezy.
Wednesday
Rain. Cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Gresham OR
 45.53°N 122.52°W (Elev. 299 ft)
10:40 pm PST Dec 10, 2025
11pm PST Dec 10, 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