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

41°F

5°C

Humidity 86%
Wind Speed S 5 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Jan 09:20 AM PST
Extended Forecast for

Eugene OR

Air Stagnation Advisory January 12, 09:34am until January 16, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 12, 09:34am until January 16, 04:00am

    NOW until 4:00am Fri

    Air Stagnation Advisory

  • Today

    High: 54 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy dense fog after 9pm. Otherwise, increasing clouds, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Dense
    Fog

  • Tuesday

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

    High: 50 °F

    Patchy Dense
    Fog then
    Mostly 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 48. Calm wind.

    High: 48 °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 fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 50.

    High: 50 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 1am. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Patchy Fog

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 54. Calm wind.
Tonight
Patchy dense fog after 9pm. Otherwise, increasing clouds, with a low around 34. Calm wind.
Tuesday
Patchy dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 50. 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 48. Calm wind.
Wednesday Night
Patchy dense fog. Otherwise, mostly cloudy, with a low around 34.
Thursday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 50.
Thursday Night
Patchy fog before 1am. Otherwise, mostly clear, with a low around 32.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 53.
Friday Night
Patchy fog before 8pm, then patchy fog after 9pm. Otherwise, mostly clear, with a low around 33.
Saturday
Patchy fog. Otherwise, sunny, with a high near 53.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 34.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eugene OR
 44.04°N 123.1°W (Elev. 571 ft)
Last Update:
8:41 am PST Jan 12, 2026
Forecast Valid:
9am 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