Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Rain

56°F

13°C

Humidity 86%
Wind Speed SSW 20 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 08 Dec 10:53 PM PST
Extended Forecast for

Portland OR

Flood Watch December 8, 11:04pm until December 12, 04:00am
Wind Advisory December 8, 11:04pm until December 9, 04:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch December 8, 11:04pm until December 12, 04:00am
    Wind Advisory December 8, 11:04pm until December 9, 04:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 50 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain.  High near 57. North wind 6 to 8 mph becoming south southwest in the afternoon.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 57 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Steady temperature around 56. South southwest wind 11 to 14 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 59. South southwest wind around 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 55. South southwest wind around 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Rain

  • Thursday

    Thursday: Rain, mainly before 10am.  High near 59. Chance of precipitation is 80%.

    High: 59 °F

    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 10pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain. Low around 50. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Rain. High near 57. North wind 6 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
Rain. Steady temperature around 56. South southwest wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 59. South southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 55. South southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain, mainly before 10am. High near 59. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 51.
Friday
Mostly cloudy, with a high near 58.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
A chance of rain after 10am. Mostly cloudy, with a high near 55.
Saturday Night
Rain likely. Mostly cloudy, with a low around 48.
Sunday
Rain likely. Mostly cloudy, with a high near 54.
Sunday Night
Rain likely. Mostly cloudy, with a low around 47.
Monday
Rain likely. Cloudy, with a high near 56.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.53°N 122.67°W (Elev. 200 ft)
10:41 pm PST Dec 8, 2025
11pm PST Dec 8, 2025-6pm PST Dec 15, 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