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

Corvallis, Corvallis Municipal Airport (KCVO)

Lat: 44.5°NLon: 123.28333°WElev: 246.0ft.

Rain

55°F

13°C

Humidity 100%
Wind Speed SSE 9 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 09 Dec 05:00 PM PST
Extended Forecast for

Corvallis OR

Flood Watch December 9, 05:30pm until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 05:30pm until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • This Afternoon

    High: 57 °F

    Rain

  • Tonight

    Tonight: Rain.  Low around 54. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%.

    Low: 54 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Cloudy, with a high near 59. South southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 59 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 51. South wind around 10 mph.  Chance of precipitation is 70%.

    Low: 51 °F

    Rain Likely

  • Thursday

    Thursday: A 50 percent chance of rain, mainly before 4pm.  Mostly cloudy, with a high near 59. South wind 5 to 7 mph.

    High: 59 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Rain. High near 57. South southwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Tonight
Rain. Low around 54. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 59. South southwest wind around 11 mph, with gusts as high as 21 mph.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 51. South wind around 10 mph. Chance of precipitation is 70%.
Thursday
A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 59. South wind 5 to 7 mph.
Thursday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 47.
Friday
Mostly cloudy, with a high near 58.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
A slight chance of rain after 4pm. Partly sunny, with a high near 55.
Saturday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Mostly cloudy, with a high near 54.
Sunday Night
Rain likely. Mostly cloudy, with a low around 44.
Monday
Rain. Cloudy, with a high near 56.
Monday Night
Rain. Mostly cloudy, with a low around 46.
Tuesday
Rain likely. Mostly cloudy, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Corvallis OR
 44.57°N 123.25°W (Elev. 200 ft)
4:56 pm PST Dec 9, 2025
5pm 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