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.

Overcast

48°F

9°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 21 Mar 06:00 AM PDT
Extended Forecast for

4 Miles N Greenberry OR

  • Today

    Today: Mostly sunny, with a high near 56. North wind 7 to 9 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31. North wind around 6 mph becoming calm after midnight.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, mostly sunny, with a high near 58. Light north northwest wind becoming north 5 to 10 mph in the morning.

    High: 58 °F

    Frost then
    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 4am. Otherwise, partly cloudy, with a low around 34. North wind 5 to 10 mph.

    Low: 34 °F

    Partly Cloudy
    then Patchy
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, mostly cloudy, with a high near 57. Light north northeast wind.

    High: 57 °F

    Areas 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. High near 58. Chance of precipitation is 90%.

    High: 58 °F

    Rain

  • Tuesday Night

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

    Low: 41 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 57.

    High: 57 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 56. North wind 7 to 9 mph.
Tonight
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31. North wind around 6 mph becoming calm after midnight.
Sunday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 58. Light north northwest wind becoming north 5 to 10 mph in the morning.
Sunday Night
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 34. North wind 5 to 10 mph.
Monday
Areas of frost before 8am. Otherwise, mostly cloudy, with a high near 57. Light north northeast wind.
Monday Night
A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 43.
Tuesday
Rain. High near 58. Chance of precipitation is 90%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 41.
Wednesday
Rain likely. Mostly cloudy, with a high near 57.
Wednesday Night
A chance of rain, mainly before 11pm. Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Greenberry OR
 44.5°N 123.29°W (Elev. 331 ft)
Last Update:
5:41 am PDT Mar 21, 2026
Forecast Valid:
6am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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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