191 WWUS83 KDMX 130747 SPSDMX Special Weather Statement National Weather Service Des Moines IA 247 AM CDT Sun Sep 13 2020 IAZ026-038-044>047-050-057>059-062-131230- Franklin-Grundy-Crawford-Carroll-Greene-Boone-Tama-Audubon- Guthrie-Dallas-Poweshiek- Including the cities of Hampton, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Denison, Carroll, Jefferson, Boone, Tama, Toledo, Traer, Dysart, Gladbrook, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, and Grinnell 247 AM CDT Sun Sep 13 2020 ...AREAS OF DENSE FOG OVERNIGHT... Light winds, clearing skies and the recent rainfall are all working to create conditions favorable for fog development. Visibility will generally be in the 2 to 4 mile range but locations north of highway 20 will be especially susceptible to areas of dense fog...particularly in low lying areas. Visibility of a quarter mile or less at times will occur over northern Iowa overnight with improvement expected an hour or two after sunrise. If you driving tonight through early Sunday morning, use caution and be prepared for poor visibility. Use low beams and slow down. $$ FAB