Areas Affected: Champaign; Coles; De Witt; Douglas; Fulton; Knox; Logan; Macon; Marshall; Mason; McLean; Menard; Moultrie; Peoria; Piatt; Schuyler; Shelby; Stark; Tazewell; Vermilion; Woodford
...PATCHY DENSE FOG THIS MORNING... As colder air filters into the area, patches of dense fog have developed over much of central Illinois. Visibility of a quarter mile or less is occurring in some areas. The fog is expected to lift after 8 am. Use extra caution while traveling this morning, as visibility will change rapidly over short distances.