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 (CRVO)

Lat: 44.63417°NLon: 123.19°WElev: 230.0ft.

NA

53°F

12°C

Humidity 62%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 12 Jan 02:00 PM PST
Extended Forecast for

3 Miles SE Millersburg OR

Air Stagnation Advisory January 12, 02:35pm until January 16, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 12, 02:35pm until January 16, 04:00am

    NOW until 4:00am Fri

    Air Stagnation Advisory

  • This Afternoon

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly between 8pm and 4am. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Dense Fog

  • Tuesday

    Tuesday: Widespread dense fog, mainly before 9am. Otherwise, partly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Dense Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Widespread dense fog, mainly after 1am. Otherwise, partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Dense Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 7am. Otherwise, partly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Dense Fog

  • Wednesday Night

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

    Low: 36 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 52.

    High: 52 °F

    Patchy Dense
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 53. Calm wind.
Tonight
Widespread dense fog, mainly between 8pm and 4am. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Tuesday
Widespread dense fog, mainly before 9am. Otherwise, partly sunny, with a high near 50. Calm wind.
Tuesday Night
Widespread dense fog, mainly after 1am. Otherwise, partly cloudy, with a low around 35. Calm wind.
Wednesday
Widespread dense fog, mainly before 7am. Otherwise, partly sunny, with a high near 49. Calm wind.
Wednesday Night
Patchy dense fog. Otherwise, mostly cloudy, with a low around 36.
Thursday
Patchy dense fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Millersburg OR
 44.64°N 123.03°W (Elev. 344 ft)
Last Update:
2:20 pm PST Jan 12, 2026
Forecast Valid:
2pm PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation