PATCHY DENSE FOG WILL OCCUR AT TIMES THROUGH THE EARLY MORNING
HOURS ACROSS NORTHERN ILLINOIS...PRIMARILY ALONG AND NORTH OF A
LINE FROM JOLIET TO DIXON. THE DENSE FOG WILL LEAD TO ISOLATED
VISIBILITY REDUCTIONS TO A QUARTER MILE OR LESS MAINLY IN MORE
RURAL AND LOW LYING AREAS AWAY FROM THE IMMEDIATE CHICAGO METRO
AREA. OTHERWISE...MOST AREAS WILL SEE VISIBILITY IN THE 2 TO 6 MILE
RANGE THROUGH DAYBREAK. MOTORISTS SHOULD USE CAUTION AND BE ALERT
FOR RAPIDLY CHANGING VISIBILITY OVER SHORT DISTANCES.
