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.

Partly Cloudy

35°F

2°C

Humidity 95%
Wind Speed SSE 4 MPH
Barometer 30.43 in (1030.48 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 12 Jan 05:54 AM PST
Extended Forecast for

2 Miles W Harrisburg OR

Air Stagnation Advisory January 12, 06:04am until January 16, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 12, 06:04am 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 10pm. Otherwise, increasing clouds, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Areas of dense fog. Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Areas Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before noon. Otherwise, partly sunny, with a high near 47. Light and variable wind.

    High: 47 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 35.

    Low: 35 °F

    Patchy Fog

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 49.

    High: 49 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 54. Light and variable wind.
Tonight
Patchy dense fog after 10pm. Otherwise, increasing clouds, with a low around 34. Calm wind.
Tuesday
Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 48. Calm wind.
Tuesday Night
Areas of dense fog. Otherwise, partly cloudy, with a low around 33. Calm wind.
Wednesday
Patchy dense fog before noon. Otherwise, partly sunny, with a high near 47. Light and variable wind.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 35.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 52.
Friday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 31.
Saturday
Patchy fog. Otherwise, sunny, with a high near 52.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 32.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Harrisburg OR
 44.26°N 123.22°W (Elev. 299 ft)
Last Update:
4:41 am PST Jan 12, 2026
Forecast Valid:
6am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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Chance of Precipitation