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

36°F

2°C

Humidity 100%
Wind Speed WNW 3 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 12 Jan 05:00 AM PST
Extended Forecast for

Corvallis OR

Air Stagnation Advisory January 12, 05:23am until January 16, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 12, 05:23am until January 16, 04:00am

    NOW until 4:00am Fri

    Air Stagnation Advisory

  • Today

    High: 53 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy dense fog after 10pm. Otherwise, increasing clouds, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Widespread dense fog before noon. Otherwise, partly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Dense Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog. Otherwise, partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before noon. Otherwise, mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 38.

    Low: 38 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before noon. Otherwise, partly sunny, then gradually becoming sunny, with a high near 50.

    High: 50 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Clear then
    Patchy Fog

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 53. Calm wind.
Tonight
Patchy dense fog after 10pm. Otherwise, increasing clouds, with a low around 36. Calm wind.
Tuesday
Widespread dense fog before noon. Otherwise, partly sunny, with a high near 48. Calm wind.
Tuesday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 36. Calm wind.
Wednesday
Patchy dense fog before noon. Otherwise, mostly sunny, with a high near 47. Calm wind.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 38.
Thursday
Patchy fog before noon. Otherwise, partly sunny, then gradually becoming sunny, with a high near 50.
Thursday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 34.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 33.
Saturday
Patchy fog. Otherwise, sunny, with a high near 51.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 33.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Corvallis OR
 44.58°N 123.29°W (Elev. 302 ft)
Last Update:
4:41 am PST Jan 12, 2026
Forecast Valid:
5am 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