AREAS OF FOG WILL BE COMMON ACROSS MUCH OF NORTHERN ILLINOIS AND
NORTHWEST INDIANA EARLY THIS MORNING...WITH PATCHES OF LOCALLY
DENSE FOG POSSIBLE IN SOME AREAS. VISIBILITY MAY VARY RAPIDLY OVER
SHORT DISTANCES...FROM A FEW MILES TO LESS THAN A QUARTER MILE IN
SOME SPOTS. DENSE FOG IS MORE LIKELY ACROSS NORTHERN ILLINOIS
GENERALLY ALONG AND EAST OF THE INTERSTATE 39 CORRIDOR... AND
NORTH OF INTERSTATE 80. FOG WILL GRADUALLY BURN OFF AFTER SUNRISE
THIS MORNING...WITH VISIBILITY IMPROVING QUICKLY BY 9 AM CDT.
USE CAUTION ON YOUR MORNING COMMUTE...AND BE PREPARED FOR RAPID
CHANGES IN VISIBILITY DUE TO LOCALLY DENSE FOG PATCHES. USE YOUR
LOW BEAM HEADLIGHTS...AND BE ALERT FOR SLOWER TRAFFIC WHERE FOG
RESTRICTS VISIBILITY.
