FOG WILL CONTINUE ACROSS EASTERN PORTIONS OF LAKE AND COOK
COUNTIES IN ILLINOIS INTO THE OVERNIGHT HOURS. VISIBILITY OF
AROUND A QUARTER MILE WILL CONTINUE WITHIN A FEW MILES OF THE LAKE
MICHIGAN SHORELINE...WITH POCKETS OF VISIBILITY NEAR ZERO.
MEANWHILE...FOG WILL SLOWLY EXPAND WESTWARD ACROSS CENTRAL AND
WESTERN LAKE AND COOK COUNTIES THROUGH MIDNIGHT REDUCING
VISIBILITY TO AROUND ONE HALF MILE ACROSS THESE AREAS.