First published 9/19/2026, 2:57:15 PM · Last updated 9/19/2026, 2:57:15 PM

Dense Fog Advisory — NWS Aberdeen SD (Aberdeen, SD)

A Dense Fog Advisory was issued by NWS Aberdeen SD on 2026-09-19 at 09:46 CDT (2026-09-19T14:46:00Z) and in effect through 10:00 AM CDT the same morning for the Aberdeen, South Dakota area. Reduced visibility from dense fog may impair driving and short-distance travel.

Categories: severe-weather-and-natural-disasters, travel-and-transportation

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 9/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 2/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 3/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 1/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 7/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

Dense fog can sharply reduce visibility, increasing the risk of vehicle crashes and causing short-term travel delays for local roads and highways. Travelers in the advisory area should use caution and expect impaired driving conditions.

Location

Sources

Dense Fog Advisory issued September 19 at 9:46AM CDT until September 19 at 10:00AM CDT by NWS Aberdeen SD

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