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🟡 Moderate
Dense Fog Advisory
Benton County Lowlands; Linn County Lowlands; Lane County Lowlands
Dense Fog Advisory issued October 31 at 10:39PM PDT until November 1 at 10:00AM PST by NWS Portland OR
Alert Description
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Benton County Lowlands, Lane County Lowlands, and Linn County Lowlands. * WHEN...From 1 AM to 10 AM PST Sunday. * IMPACTS...Low visibility could make driving conditions hazardous.
Safety Instructions
If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.
Time Information
Effective
Nov 1, 2026, 9:00 AM
Expires
Nov 1, 2026, 6:00 PM
Issued
Nov 1, 2026, 5:39 AM
Alert Details
Severity
Moderate
Urgency
Expected
Certainty
Likely
Category
Met
Issued By
NWS Portland OR
National Weather Service