...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS (Wed)MORNING...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of northern Illinois and all of northwest Indiana.
* WHEN...Until 10 AM CDT this morning.
* IMPACTS...Hazardous driving conditions due to low visibility.
* ADDITIONAL DETAILS...Temperatures across some parts of the area are below freezing and within dense fog this could lead to a few slick spots on untreated roads and sidewalks early this morning.