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

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

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.47 in (1031.83 mb)
Dewpoint 37°F (3°C)
Visibility 0.24 mi
Last update 14 Jan 01:20 PM PST
Extended Forecast for

4 Miles N Greenberry OR

Air Stagnation Advisory January 14, 01:38pm until January 16, 04:00am
Dense Fog Advisory until January 14, 02:00pm
Click here for hazard details and duration
Air Stagnation Advisory
...
  •  
    Air Stagnation Advisory January 14, 01:38pm until January 16, 04:00am
    Dense Fog Advisory until January 14, 02:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 41 °F

    Patchy Dense
    Fog

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 34. North northwest wind 3 to 5 mph.

    Low: 34 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Partly sunny, with a high near 47. North northeast wind 6 to 9 mph.

    High: 47 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. North northeast wind around 7 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 49. North northeast wind 5 to 7 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Patchy dense fog after 4am. Otherwise, mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Saturday

    Saturday: Patchy dense fog before 8am. Otherwise, sunny, with a high near 48.

    High: 48 °F

    Patchy Dense
    Fog then
    Sunny

  • Saturday Night

    Saturday Night: Widespread dense fog, mainly between 1am and 2am. Otherwise, mostly clear, with a low around 30.

    Low: 30 °F

    Dense Fog

Detailed Forecast

This Afternoon
Patchy dense fog. Otherwise, partly sunny, with a high near 41. Light north northeast wind.
Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 34. North northwest wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 47. North northeast wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 31. North northeast wind around 7 mph.
Friday
Sunny, with a high near 49. North northeast wind 5 to 7 mph.
Friday Night
Patchy dense fog after 4am. Otherwise, mostly clear, with a low around 29.
Saturday
Patchy dense fog before 8am. Otherwise, sunny, with a high near 48.
Saturday Night
Widespread dense fog, mainly between 1am and 2am. Otherwise, mostly clear, with a low around 30.
Sunday
Widespread dense fog, mainly before 8am. Otherwise, sunny, with a high near 47.
Sunday Night
Patchy dense fog before 11pm, then patchy dense fog after 1am. Otherwise, mostly clear, with a low around 29.
M.L.King Day
Patchy dense fog. Otherwise, sunny, with a high near 47.
Monday Night
Patchy dense fog. Otherwise, mostly clear, with a low around 30.
Tuesday
Areas of dense fog. Otherwise, mostly sunny, with a high near 47.
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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:
1:16 pm PST Jan 14, 2026
Forecast Valid:
1pm PST Jan 14, 2026-6pm PST Jan 20, 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