* WHAT…Visibility less than one mile in dense fog.
* WHERE…In Illinois, Rock Island and Whiteside Counties. In Iowa,
Scott County.
* WHEN…Until 3 AM CST Friday.
* IMPACTS…Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS…Through early this evening, the fog will
likely not be as dense, however confidence is high that fog will
thicken again this evening.