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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

26°F

-3°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 20 Jan 02:56 AM PST
Extended Forecast for

6 Miles NNW Brownsville OR

Air Stagnation Advisory January 20, 03:20am until January 21, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 03:20am until January 21, 04:00pm

    NOW until 4:00pm Wed

    Air Stagnation Advisory

  • Overnight

    Low: 27 °F

    Frost

  • Tuesday

    Tuesday: Widespread frost before 11am. Otherwise, mostly sunny, with a high near 47. Light north wind.

    High: 47 °F

    Frost then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Widespread dense freezing fog, mainly between 9pm and 11pm. Widespread frost. Otherwise, partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Frost and
    Dense
    Freezing Fog

  • Wednesday

    Wednesday: Areas of freezing fog before 10am. Partly sunny, with a high near 45. Light north wind.

    High: 45 °F

    Areas
    Freezing Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm. Widespread frost. Otherwise, partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Frost and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Widespread frost, mainly before 11am. Otherwise, mostly sunny, with a high near 45.

    High: 45 °F

    Frost and
    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight. Widespread frost. Otherwise, partly cloudy, with a low around 29.

    Low: 29 °F

    Frost then
    Frost and
    Patchy Fog

  • Friday

    Friday: Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 45.

    High: 45 °F

    Frost then
    Mostly Sunny

Detailed Forecast

Overnight
Widespread frost. Otherwise, mostly clear, with a low around 27. Calm wind.
Tuesday
Widespread frost before 11am. Otherwise, mostly sunny, with a high near 47. Light north wind.
Tuesday Night
Widespread dense freezing fog, mainly between 9pm and 11pm. Widespread frost. Otherwise, partly cloudy, with a low around 26. Calm wind.
Wednesday
Areas of freezing fog before 10am. Partly sunny, with a high near 45. Light north wind.
Wednesday Night
Patchy fog after 10pm. Widespread frost. Otherwise, partly cloudy, with a low around 26. Calm wind.
Thursday
Patchy fog before 11am. Widespread frost, mainly before 11am. Otherwise, mostly sunny, with a high near 45.
Thursday Night
Patchy fog after midnight. Widespread frost. Otherwise, partly cloudy, with a low around 29.
Friday
Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 45.
Friday Night
Widespread frost, mainly after 9pm. Otherwise, mostly clear, with a low around 26.
Saturday
Widespread frost, mainly before 11am. Otherwise, mostly sunny, with a high near 45.
Saturday Night
A slight chance of rain. Widespread frost. Otherwise, mostly cloudy, with a low around 29.
Sunday
A chance of rain. Mostly cloudy, with a high near 47.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Brownsville OR
 44.47°N 123.04°W (Elev. 282 ft)
Last Update:
2:41 am PST Jan 20, 2026
Forecast Valid:
3am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
Forecast Discussion
 
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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