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

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Corvallis, Corvallis Municipal Airport (KCVO)

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

Mostly Cloudy

45°F

7°C

Humidity 75%
Wind Speed W 5 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 27 Dec 04:00 PM PST
Extended Forecast for

Corvallis OR

  • Tonight

    Tonight: Patchy fog after 11pm. Patchy frost after midnight. Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog
    then Patchy
    Frost and
    Patchy Fog

  • Sunday

    Sunday: Widespread frost, mainly before 7am. Otherwise, partly sunny, with a high near 44. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 44 °F

    Frost then
    Partly Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 2am. Otherwise, mostly cloudy, with a low around 31. Light north wind.

    Low: 31 °F

    Frost

  • Monday

    Monday: Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 45. Light north northeast wind.

    High: 45 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Widespread frost, mainly after midnight. Otherwise, partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Areas Frost
    then Frost
    and Patchy
    Fog

  • Tuesday

    Tuesday: Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 44.

    High: 44 °F

    Frost then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 2am and 3am. Otherwise, partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 46.

    High: 46 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 4am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Patchy fog after 11pm. Patchy frost after midnight. Otherwise, mostly cloudy, with a low around 32. Calm wind.
Sunday
Widespread frost, mainly before 7am. Otherwise, partly sunny, with a high near 44. Calm wind becoming north northeast around 6 mph in the afternoon.
Sunday Night
Widespread frost, mainly after 2am. Otherwise, mostly cloudy, with a low around 31. Light north wind.
Monday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 45. Light north northeast wind.
Monday Night
Patchy fog after 5am. Widespread frost, mainly after midnight. Otherwise, partly cloudy, with a low around 30. Calm wind.
Tuesday
Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 44.
Tuesday Night
Patchy fog between 2am and 3am. Otherwise, partly cloudy, with a low around 31.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 46.
Wednesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 34.
New Year's Day
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 48.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40.
Friday
Rain likely. Mostly cloudy, with a high near 48.
Friday Night
Rain likely. Mostly cloudy, with a low around 35.
Saturday
Rain likely. Mostly cloudy, with a high near 46.
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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:
4:10 pm PST Dec 27, 2025
Forecast Valid:
4pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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Chance of Precipitation