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Critical Fire Weather in the Southern Plains; Severe Storms in the Ohio Valley

Strong winds and low humidity will create elevated to critical fire weather conditions across the Southern Plains on Thursday. Strong to severe thunderstorms are forecast in the Ohio Valley late Thursday into Friday morning, with the strongest storms capable of producing very large hail, damaging winds, and a few tornadoes. Read More >

Current conditions at

Corvallis, Corvallis Municipal Airport (KCVO)

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

Clear

39°F

4°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 25 Mar 09:30 PM PDT
Extended Forecast for

3 Miles ENE Harlan OR

  • Tonight

    Tonight: Widespread frost before 2am, then widespread frost after 3am. Otherwise, mostly clear, with a low around 32. Light and variable wind.

    Low: 32 °F

    Frost

  • Thursday

    Thursday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 52. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 52 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 2am. Otherwise, mostly clear, with a low around 35. East northeast wind around 6 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Friday

    Friday: Mostly sunny, with a high near 61. North wind around 6 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy frost after 5am. Otherwise, partly cloudy, with a low around 38. North wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Widespread frost before 2am, then widespread frost after 3am. Otherwise, mostly clear, with a low around 32. Light and variable wind.
Thursday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 52. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Thursday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 35. East northeast wind around 6 mph.
Friday
Mostly sunny, with a high near 61. North wind around 6 mph.
Friday Night
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 38. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 58.
Sunday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 39.
Monday
A chance of rain and snow before 2pm, then a chance of rain. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 51.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Wednesday
Rain likely. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Harlan OR
 44.56°N 123.62°W (Elev. 1260 ft)
Last Update:
9:42 pm PDT Mar 25, 2026
Forecast Valid:
9pm PDT Mar 25, 2026-6pm PDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation