As of 11:13 AM CST on Tuesday, January 6, 2026, a Dense Fog Advisory is in effect for several counties in northeast, east central, and southeast Iowa. The affected counties include Winnebago, Worth, Hancock, Cerro Gordo, Humboldt, Wright, Franklin, Butler, Bremer, Webster, Hamilton, Hardin, Grundy, Black Hawk, Boone, Story, Marshall, Tama, Dallas, Polk, Jasper, Poweshiek, Warren, Marion, Mahaska, Lucas, Monroe, Wapello, Wayne, Appanoose, and Davis.
This advisory warns of visibility dropping below one mile due to dense fog, which can create hazardous driving conditions across the region. Cities such as Cedar Falls, Oskaloosa, Corydon, Indianola, Lake Mills, Kanawha, Reinbeck, Norwalk, Garner, and many others are included in this advisory.
Motorists are advised to slow down, use their headlights, and maintain a safe distance from other vehicles while driving. The advisory will remain in effect until 3 PM CST this afternoon, so please remain vigilant and prioritize safety on the roads.
