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

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

6 Miles NNW Brownsville OR

Air Stagnation Advisory January 14, 04:03pm until January 16, 04:00am
Dense Fog Advisory January 14, 04:03pm until January 15, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Dense Fog Advisory
  •  
    Air Stagnation Advisory January 14, 04:03pm until January 16, 04:00am
    Dense Fog Advisory January 14, 04:03pm until January 15, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 32 °F

    Dense
    Freezing Fog
    and Patchy
    Dense Fog

  • Thursday

    Thursday: Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 46. North northeast wind 5 to 7 mph.

    High: 46 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy dense fog after 10pm. Otherwise, partly cloudy, with a low around 29. North northeast wind 3 to 5 mph.

    Low: 29 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Patchy dense fog before 10am. Otherwise, sunny, with a high near 50. North northeast wind 3 to 6 mph.

    High: 50 °F

    Patchy Dense
    Fog then
    Sunny

  • Friday Night

    Friday Night: Patchy dense fog after 11pm. Otherwise, mostly clear, with a low around 30. Light north northeast wind.

    Low: 30 °F

    Patchy Dense
    Fog

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Widespread dense fog, mainly after 5am. Otherwise, mostly clear, with a low around 30.

    Low: 30 °F

    Dense Fog

  • Sunday

    Sunday: Widespread dense fog, mainly before 9am. Otherwise, sunny, with a high near 46.

    High: 46 °F

    Dense Fog
    then Sunny

Detailed Forecast

Tonight
Patchy dense fog. Widespread dense freezing fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 32. Light north northeast wind.
Thursday
Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 46. North northeast wind 5 to 7 mph.
Thursday Night
Patchy dense fog after 10pm. Otherwise, partly cloudy, with a low around 29. North northeast wind 3 to 5 mph.
Friday
Patchy dense fog before 10am. Otherwise, sunny, with a high near 50. North northeast wind 3 to 6 mph.
Friday Night
Patchy dense fog after 11pm. Otherwise, mostly clear, with a low around 30. Light north northeast wind.
Saturday
Sunny, with a high near 47.
Saturday Night
Widespread dense fog, mainly after 5am. Otherwise, mostly clear, with a low around 30.
Sunday
Widespread dense fog, mainly before 9am. Otherwise, sunny, with a high near 46.
Sunday Night
Patchy dense fog. Otherwise, mostly clear, with a low around 30.
M.L.King Day
Patchy dense fog before 9am. Otherwise, sunny, with a high near 46.
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 46.
Tuesday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 33.
Wednesday
A slight chance of rain. Areas of dense fog. Otherwise, partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Brownsville OR
 44.47°N 123.04°W (Elev. 282 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