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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Corvallis, Corvallis Municipal Airport (KCVO)

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

Rain

51°F

11°C

Humidity 92%
Wind Speed WNW 9 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 21 Mar 01:56 AM PDT
Extended Forecast for

Corvallis OR

  • Overnight

    Overnight: A 30 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 40. Light north wind.

    Low: 40 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 54. North wind 5 to 7 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32. Light north wind.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 56 °F

    Frost then
    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 5am. Otherwise, partly cloudy, with a low around 35. North wind 5 to 8 mph becoming calm after midnight.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Frost

  • Monday

    Monday: Patchy frost before 8am. Otherwise, mostly cloudy, with a high near 57.

    High: 57 °F

    Patchy Frost
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 58.

    High: 58 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 40. Light north wind.
Saturday
Mostly sunny, with a high near 54. North wind 5 to 7 mph.
Saturday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32. Light north wind.
Sunday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming north 5 to 8 mph in the afternoon.
Sunday Night
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 35. North wind 5 to 8 mph becoming calm after midnight.
Monday
Patchy frost before 8am. Otherwise, mostly cloudy, with a high near 57.
Monday Night
A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 43.
Tuesday
Rain. Cloudy, with a high near 58.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 41.
Wednesday
Rain likely. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Corvallis OR
 44.57°N 123.25°W (Elev. 200 ft)
Last Update:
2:01 am PDT Mar 21, 2026
Forecast Valid:
2am PDT Mar 21, 2026-6pm PDT Mar 27, 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