National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Corvallis, Corvallis Municipal Airport (KCVO)

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

Clear

34°F

1°C

Humidity 100%
Wind Speed WNW 3 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 Jan 06:56 AM PST
Extended Forecast for

Corvallis OR

Air Stagnation Advisory January 12, 07:10am until January 16, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 12, 07:10am until January 16, 04:00am

    NOW until 4:00am Fri

    Air Stagnation Advisory

  • Today

    High: 53 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy dense fog after 10pm. Otherwise, increasing clouds, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Widespread dense fog before noon. Otherwise, partly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Dense Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog. Otherwise, partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before noon. Otherwise, mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 38.

    Low: 38 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before noon. Otherwise, partly sunny, then gradually becoming sunny, with a high near 50.

    High: 50 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Clear then
    Patchy Fog

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 53. Calm wind.
Tonight
Patchy dense fog after 10pm. Otherwise, increasing clouds, with a low around 36. Calm wind.
Tuesday
Widespread dense fog before noon. Otherwise, partly sunny, with a high near 48. Calm wind.
Tuesday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 36. Calm wind.
Wednesday
Patchy dense fog before noon. Otherwise, mostly sunny, with a high near 47. Calm wind.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 38.
Thursday
Patchy fog before noon. Otherwise, partly sunny, then gradually becoming sunny, with a high near 50.
Thursday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 34.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 33.
Saturday
Patchy fog. Otherwise, sunny, with a high near 51.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 33.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Corvallis OR
 44.58°N 123.29°W (Elev. 302 ft)
Last Update:
6:41 am PST Jan 12, 2026
Forecast Valid:
7am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation