Dense Fog Advisory issued September 16 at 10:29PM CDT until September 17 at 10:00AM CDT by NWS Des Moines IA

Dense Fog Advisory · Expires: Sep 17, 2026 13:30 UTC

Severity: Moderate Urgency: Expected Certainty: Likely Updated: Sep 17, 2026 06:50 UTC Expired / Not indexed

Timing

This advisory may be issued as multiple alerts with different affected areas. Below are the official area texts grouped into one page.

Expires: Sep 17 13:30 UTC · Updated: Sep 17 06:50 UTC

Audubon; Guthrie; Dallas; Cass; Adair; Madison; Adams; Union; Clarke; Lucas; Monroe; Wapello; Taylor; Ringgold; Decatur; Wayne; Appanoose; Davis

Expires: Sep 17 13:30 UTC · Updated: Sep 17 06:50 UTC

Polk; Warren; Marion; Mahaska