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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Corvallis, Corvallis Municipal Airport (KCVO)

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

Clear

69°F

21°C

Humidity 40%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 18 Mar 01:56 PM PDT
Extended Forecast for

Corvallis OR

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 69. Light southwest wind.

    High: 69 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of rain after 4pm. Partly sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 49. Light south southwest wind.

    Low: 49 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 62. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 62 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 54.

    High: 54 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 69. Light southwest wind.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 44. Calm wind.
Thursday
A 20 percent chance of rain after 4pm. Partly sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 49. Light south southwest wind.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 62. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Saturday
A 30 percent chance of rain, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly cloudy, with a high near 57.
Monday Night
A chance of rain. Mostly cloudy, with a low around 42.
Tuesday
Rain likely. Mostly cloudy, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Corvallis OR
 44.56°N 123.28°W (Elev. 223 ft)
Last Update:
2:01 pm PDT Mar 18, 2026
Forecast Valid:
2pm PDT Mar 18, 2026-6pm PDT Mar 24, 2026
 
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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