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

57°F

14°C

Humidity 93%
Wind Speed S 10 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 09 Dec 09:35 PM PST
Extended Forecast for

4 Miles SW Corvallis OR

Flood Watch December 9, 09:48pm until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 09:48pm until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • Tonight

    Low: 56 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Cloudy, with a high near 58. South southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 58 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 51. South wind around 10 mph, with gusts as high as 18 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 around 6 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. Calm wind.

    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

  • Saturday

    Saturday: A slight chance of rain after 4pm.  Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Rain. Steady temperature around 56. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 58. South southwest wind around 10 mph, with gusts as high as 18 mph.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 51. South wind around 10 mph, with gusts as high as 18 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 around 6 mph.
Thursday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 47. Calm wind.
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 55.
Monday Night
Rain. Mostly cloudy, with a low around 45.
Tuesday
Rain likely. Mostly cloudy, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Corvallis OR
 44.53°N 123.33°W (Elev. 299 ft)
9:41 pm PST Dec 9, 2025
9pm 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