WWUS83 KDMX 191007 SPSDMX Special Weather Statement National Weather Service Des Moines IA 507 AM CDT Thu Mar 19 2026 IAZ006-007-016-017-191400- Winnebago-Worth-Hancock-Cerro Gordo- Including the cities of Forest City, Lake Mills, Northwood, Manly, Garner, Britt, Kanawha, Mason City, and Clear Lake 507 AM CDT Thu Mar 19 2026 ...Reduced Visibility in Localized Areas of Dense Fog... WHAT...Areas of localized dense fog with visibilities around or under a mile. WHERE...Parts of northeast Iowa. WHEN...Through mid-morning. IMPACTS...Drivers should be alert for reduced visibility at times. With temperatures below freezing, some of this fog could cause slick or icy surfaces, especially on untreated roads, bridges, and overpasses. PREPAREDNESS AND PRECAUTIONARY ACTIONS...If driving this morning, please use low beam headlights. $$