EUGENE, OR — A gray stillness blankets the Willamette Valley, the air thick with fog that swallows headlights and blurs the tree line. Roads glisten under weak streetlights as dense fog grips much of western Oregon, slowing drivers and setting a quiet, eerie tone to start the weekend.
A Dense Fog Advisory remains in effect through late morning, with visibility dropping below a quarter mile in spots. Calm winds and cool temperatures — near 34°F — keep the fog dense across Interstate 5, particularly between Eugene and Albany. Travelers should use low beams and add extra time for morning commutes or early holiday travel.
The fog will gradually lift by late morning, replaced by patchy sunshine and highs near 52°F. But this short-lived calm gives way to another Pacific system late Saturday night. Clouds will thicken, and rain spreads in from the coast by early Sunday. Expect a 90% chance of showers Sunday, tapering off into scattered showers by Monday morning.
Thanksgiving travelers across Oregon should plan for wet roadways and reduced visibility through early in the week, especially along mountain passes where temperatures could flirt with freezing. The long-range pattern remains active, with the Pacific Northwest staying unsettled through Thanksgiving Day — rain likely, highs near 52°F.
Five-Day Outlook (Eugene, OR)
- Sunday: Rain, high 50°F
- Monday: Showers tapering, high 49°F
- Tuesday: Chance of rain, high 48°F
- Wednesday: Rain likely, high 54°F
- Thanksgiving Day: Showers likely, high 52°F





