Update: Dense fog advisory affecting Central Oregon Wednesday morning – visibility down to 1/4 mile

Dense Fog Advisory Issued for Central Oregon

The National Weather Service updated a dense fog advisory on Wednesday at 7:38 a.m., warning of significantly reduced visibility.

Visibility and Driving Conditions

Visibility is expected to drop to as low as one quarter of a mile in dense fog, creating hazardous driving conditions.

"Visibility as low as one quarter of a mile in dense fog."
"Low visibility could make driving conditions hazardous."

Safety Recommendations

Understanding the Advisory

A dense fog advisory indicates widespread fog with visibility sometimes reaching a quarter-mile or less, making travel challenging and risky.

Drivers should exercise caution or consider postponing non-essential trips during such conditions.

"If driving, slow down, use your headlights, and leave plenty of distance ahead of you."

If travel in fog is unavoidable, following these guidelines will help ensure greater safety on the road.

Author’s summary: Dense fog in Central Oregon is reducing visibility to a quarter-mile, requiring drivers to slow down, use proper lighting, and maintain extra distance for safer travel.

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OregonLive.com OregonLive.com — 2025-11-05