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 SE 3 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 12 Jan 02:35 PM PST
Extended Forecast for

6 Miles WSW Corvallis OR

Air Stagnation Advisory January 12, 02:55pm 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, 02:55pm 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 between 3am and 5am. Otherwise, partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Patchy dense fog between 7am and 11am. Otherwise, mostly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog before midnight, then widespread dense fog after 1am. Otherwise, partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Dense Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 11am. Otherwise, mostly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Dense Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy dense fog. Otherwise, partly cloudy, with a low around 36.

    Low: 36 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before noon. Otherwise, sunny, with a high near 53.

    High: 53 °F

    Patchy Dense
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 54. Calm wind.
Tonight
Patchy dense fog between 3am and 5am. Otherwise, partly cloudy, with a low around 35. Calm wind.
Tuesday
Patchy dense fog between 7am and 11am. Otherwise, mostly sunny, with a high near 53. Calm wind.
Tuesday Night
Patchy dense fog before midnight, then widespread dense fog after 1am. Otherwise, partly cloudy, with a low around 35. Calm wind.
Wednesday
Widespread dense fog, mainly before 11am. Otherwise, mostly sunny, with a high near 51. Calm wind.
Wednesday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 36.
Thursday
Patchy dense fog before noon. Otherwise, sunny, with a high near 53.
Thursday Night
Clear, with a low around 34.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Corvallis OR
 44.55°N 123.4°W (Elev. 400 ft)
Last Update:
2:51 pm PST Jan 12, 2026
Forecast Valid:
2pm PST Jan 12, 2026-6pm PST Jan 18, 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