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Hazardous Weather Conditions

Current conditions at

Corvallis, Corvallis Municipal Airport (KCVO)

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

Clear

30°F

-1°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 20 Jan 07:56 PM PST
Extended Forecast for

Corvallis OR

Air Stagnation Advisory January 20, 08:13pm until January 23, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 08:13pm until January 23, 12:00pm

    NOW until 12:00pm Fri

    Air Stagnation Advisory

  • Tonight

    Low: 25 °F

    Frost

  • Wednesday

    Wednesday: Widespread dense freezing fog, mainly before 8am. Widespread frost, mainly before 11am. Otherwise, partly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Frost and
    Dense
    Freezing Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Widespread frost. Otherwise, mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Frost and
    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 8am. Areas of freezing fog before 9am. Widespread frost, mainly before 11am. Otherwise, mostly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Frost and
    Areas
    Freezing Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog between 1am and 2am. Widespread frost. Otherwise, partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Frost then
    Frost and
    Patchy Fog

  • Friday

    Friday: Widespread frost, mainly before 11am. Otherwise, sunny, with a high near 46.

    High: 46 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Widespread frost, mainly after 9pm. Otherwise, clear, with a low around 24.

    Low: 24 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 11am. Otherwise, sunny, with a high near 45.

    High: 45 °F

    Frost then
    Sunny

Detailed Forecast

Tonight
Widespread frost. Otherwise, mostly cloudy, with a low around 25. Calm wind.
Wednesday
Widespread dense freezing fog, mainly before 8am. Widespread frost, mainly before 11am. Otherwise, partly sunny, with a high near 46. Calm wind.
Wednesday Night
Patchy fog after 11pm. Widespread frost. Otherwise, mostly clear, with a low around 24. Calm wind.
Thursday
Areas of fog before 8am. Areas of freezing fog before 9am. Widespread frost, mainly before 11am. Otherwise, mostly sunny, with a high near 45. Calm wind.
Thursday Night
Patchy fog between 1am and 2am. Widespread frost. Otherwise, partly cloudy, with a low around 24. Calm wind.
Friday
Widespread frost, mainly before 11am. Otherwise, sunny, with a high near 46.
Friday Night
Widespread frost, mainly after 9pm. Otherwise, clear, with a low around 24.
Saturday
Widespread frost before 11am. Otherwise, sunny, with a high near 45.
Saturday Night
Widespread frost, mainly after 7pm. Otherwise, mostly clear, with a low around 25.
Sunday
Widespread frost before 10am. Otherwise, partly sunny, with a high near 46.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 32.
Monday
A slight chance of rain. Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Corvallis OR
 44.56°N 123.28°W (Elev. 223 ft)
Last Update:
7:42 pm PST Jan 20, 2026
Forecast Valid:
8pm PST Jan 20, 2026-6pm PST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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