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Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Corvallis, Corvallis Municipal Airport (KCVO)

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

Fog

38°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.45 in (1031.16 mb)
Dewpoint 38°F (3°C)
Visibility 0.25 mi
Last update 14 Jan 03:56 PM PST
Extended Forecast for

4 Miles WNW Greenberry OR

Air Stagnation Advisory January 14, 04:10pm until January 16, 04:00am
Dense Fog Advisory January 14, 04:10pm until January 15, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Dense Fog Advisory
  •  
    Air Stagnation Advisory January 14, 04:10pm until January 16, 04:00am
    Dense Fog Advisory January 14, 04:10pm until January 15, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 34 °F

    Areas Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 47. North northeast wind 3 to 6 mph.

    High: 47 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy dense fog before 11pm, then patchy dense fog after midnight. Otherwise, partly cloudy, with a low around 33. North northeast wind 3 to 5 mph.

    Low: 33 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Sunny, with a high near 49. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Patchy dense fog after 5am. Otherwise, mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Saturday

    Saturday: Patchy dense fog between 7am and 8am. Otherwise, sunny, with a high near 49.

    High: 49 °F

    Patchy Dense
    Fog then
    Sunny

  • Saturday Night

    Saturday Night: Patchy dense fog before 11pm, then patchy dense fog after midnight. Otherwise, mostly clear, with a low around 31.

    Low: 31 °F

    Patchy Dense
    Fog

  • Sunday

    Sunday: Patchy dense fog before 11am. Otherwise, sunny, with a high near 48.

    High: 48 °F

    Patchy Dense
    Fog then
    Sunny

Detailed Forecast

Tonight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Thursday
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 47. North northeast wind 3 to 6 mph.
Thursday Night
Patchy dense fog before 11pm, then patchy dense fog after midnight. Otherwise, partly cloudy, with a low around 33. North northeast wind 3 to 5 mph.
Friday
Sunny, with a high near 49. Calm wind becoming north northeast around 5 mph in the afternoon.
Friday Night
Patchy dense fog after 5am. Otherwise, mostly clear, with a low around 31. Calm wind.
Saturday
Patchy dense fog between 7am and 8am. Otherwise, sunny, with a high near 49.
Saturday Night
Patchy dense fog before 11pm, then patchy dense fog after midnight. Otherwise, mostly clear, with a low around 31.
Sunday
Patchy dense fog before 11am. Otherwise, sunny, with a high near 48.
Sunday Night
Patchy dense fog before 3am, then patchy dense fog after 4am. Otherwise, mostly clear, with a low around 30.
M.L.King Day
Patchy dense fog between 7am and 8am. Otherwise, sunny, with a high near 48.
Monday Night
Patchy dense fog. Otherwise, mostly clear, with a low around 31.
Tuesday
Patchy dense fog. Otherwise, mostly sunny, with a high near 48.
Tuesday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 34.
Wednesday
A slight chance of rain. Widespread dense fog. Otherwise, mostly cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Greenberry OR
 44.47°N 123.34°W (Elev. 308 ft)
Last Update:
3:46 pm PST Jan 14, 2026
Forecast Valid:
4pm PST Jan 14, 2026-6pm PST Jan 21, 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