A Dense Fog Advisory has been issued until 11am this morning for the following counties, Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry, Iowa, Jackson, Jefferson, Johnson, Jones, Keokuk, Lee, Linn, Louisa, Muscatine, Scott, Van Buren and Washington.

* VISIBILITY: WIDESPREAD VISIBILITIES OF ONE-QUARTER MILE OR LESS. SOME AREAS WILL EXPERIENCE RAPID CHANGES IN VISIBILITIES WHERE THE FOG IS MORE PATCHY IN NATURE.

* IMPACTS: IF YOU ARE TRAVELING THIS MORNING…ALLOW EXTRA TIME TO REACH YOUR DESTINATION. VISIBILITIES MAY CHANGE RAPIDLY WHEN DRIVING AT HIGH SPEEDS…SO EXERCISE CAUTION. BE WARY OF SCHOOL KIDS WAITING FOR BUSES ON ROAD SIDES.