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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Corvallis, Corvallis Municipal Airport (KCVO)

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

Clear

54°F

12°C

Humidity 58%
Wind Speed N 0 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 12 Jan 03:00 PM PST
Extended Forecast for

6 Miles NNW Brownsville OR

Air Stagnation Advisory January 12, 03:19pm until January 16, 04:00am
Dense Fog Advisory January 12, 10:00pm until January 13, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
Dense Fog Advisory
  •  
    Air Stagnation Advisory January 12, 03:19pm until January 16, 04:00am

    NOW until 4:00am Fri

    Air Stagnation Advisory

  • This Afternoon

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy dense fog after 8pm. Otherwise, partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Areas of dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 50. Calm wind.

    High: 50 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog. Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before 1pm. Otherwise, partly sunny, with a high near 49. Light and variable wind.

    High: 49 °F

    Patchy Dense
    Fog

  • Wednesday Night

    Wednesday Night: Patchy dense fog after 7pm. Otherwise, mostly cloudy, with a low around 34.

    Low: 34 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 51.

    High: 51 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 54. Calm wind.
Tonight
Patchy dense fog after 8pm. Otherwise, partly cloudy, with a low around 34. Calm wind.
Tuesday
Areas of dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 50. Calm wind.
Tuesday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 33. Calm wind.
Wednesday
Patchy dense fog before 1pm. Otherwise, partly sunny, with a high near 49. Light and variable wind.
Wednesday Night
Patchy dense fog after 7pm. Otherwise, mostly cloudy, with a low around 34.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
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:
2:51 pm PST Jan 12, 2026
Forecast Valid:
3pm PST Jan 12, 2026-6pm PST Jan 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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