WWUS83 KDMX 161024 SPSDMX Special Weather Statement National Weather Service Des Moines IA 524 AM CDT Thu Apr 16 2026 IAZ027-028-038-039-049-050-061-062-075-161230- Butler-Bremer-Grundy-Black Hawk-Marshall-Tama-Jasper-Poweshiek- Mahaska- Including the cities of Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, Newton, Grinnell, and Oskaloosa 524 AM CDT Thu Apr 16 2026 ...Reduced Visibility in Areas of Fog... WHAT...Areas of localized, shallow fog with visibilities under one half mile at times. WHERE...Parts of northeast and east-central Iowa, including portions of U.S. Highway 20 and U.S. Highway 30. WHEN...through 8 am. IMPACTS...Drivers should be alert for reduced visibility at times. PREPAREDNESS AND PRECAUTIONARY ACTIONS...If driving this morning, be prepared for sudden reductions in visibility. $$