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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

36°F

2°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 18 Jan 09:20 AM PST
Extended Forecast for

6 Miles NNW Brownsville OR

Air Stagnation Advisory January 18, 09:30am until January 20, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 09:30am until January 20, 10:00am

    NOW until 10:00am Tue

    Air Stagnation Advisory

  • Today

    High: 48 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Frost

  • M.L.King Day

    M.L.King Day: Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 48. Calm wind becoming north around 6 mph in the afternoon.

    High: 48 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Widespread frost, mainly after 10pm. Otherwise, mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Frost

  • Tuesday

    Tuesday: Widespread frost before 11am. Otherwise, mostly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Frost then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 4am, then patchy fog after 5am. Widespread frost, mainly after 10pm. Otherwise, partly cloudy, with a low around 31.

    Low: 31 °F

    Frost then
    Frost and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Widespread frost, mainly before 10am. Otherwise, partly sunny, with a high near 47.

    High: 47 °F

    Frost and
    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy frost after 9pm. Otherwise, mostly cloudy, with a low around 33.

    Low: 33 °F

    Patchy Frost

Detailed Forecast

Today
Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 48. Light north wind.
Tonight
Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 28. Calm wind.
M.L.King Day
Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 48. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
Widespread frost, mainly after 10pm. Otherwise, mostly clear, with a low around 27. Calm wind.
Tuesday
Widespread frost before 11am. Otherwise, mostly sunny, with a high near 48. Calm wind.
Tuesday Night
Patchy fog before 4am, then patchy fog after 5am. Widespread frost, mainly after 10pm. Otherwise, partly cloudy, with a low around 31.
Wednesday
Patchy fog before 8am. Widespread frost, mainly before 10am. Otherwise, partly sunny, with a high near 47.
Wednesday Night
Patchy frost after 9pm. Otherwise, mostly cloudy, with a low around 33.
Thursday
A slight chance of rain after 4pm. Mostly cloudy, with a high near 48.
Thursday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Mostly cloudy, with a high near 48.
Friday Night
A chance of rain. Mostly cloudy, with a low around 36.
Saturday
A chance of rain. Mostly cloudy, with a high near 48.
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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:
8:41 am PST Jan 18, 2026
Forecast Valid:
9am PST Jan 18, 2026-6pm PST Jan 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation