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 4 MILE
RANGE THROUGH DAYBREAK. MOTORISTS SHOULD USE CAUTION AND BE ALERT
FOR RAPIDLY CHANGING VISIBILITY OVER SHORT DISTANCES. IN
ADDITION...SLICK SPOTS MAY DEVELOP ON ROADWAYS WHERE DENSE FOG
OCCURS AS TEMPERATURES ARE RIGHT AROUND FREEZING.
