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

Eugene, Mahlon Sweet Field (KEUG)

Lat: 44.13333°NLon: 123.21444°WElev: 364.0ft.

Clear

54°F

12°C

Humidity 58%
Wind Speed N 3 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 12 Jan 02:00 PM PST
Extended Forecast for

Eugene OR

Air Stagnation Advisory January 12, 02:29pm until January 16, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 12, 02:29pm 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 7pm. 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 sunny, with a high near 53. Calm wind.

    High: 53 °F

    Areas Dense
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Areas of dense fog. Otherwise, partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Areas Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before noon. Otherwise, mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

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

    Low: 34 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before noon. Otherwise, partly sunny, then gradually becoming sunny, with a high near 51.

    High: 51 °F

    Patchy Dense
    Fog then
    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 7pm. Otherwise, partly cloudy, with a low around 34. Calm wind.
Tuesday
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 53. Calm wind.
Tuesday Night
Areas of dense fog. Otherwise, partly cloudy, with a low around 34. Calm wind.
Wednesday
Areas of dense fog before noon. Otherwise, mostly sunny, with a high near 50. Calm wind.
Wednesday Night
Patchy dense fog. Otherwise, mostly cloudy, with a low around 34.
Thursday
Patchy dense fog before noon. Otherwise, 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 53.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Eugene OR
 44.06°N 123.1°W (Elev. 404 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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