THE NATIONAL WEATHER SERVICE HAS ISSUED A DENSE FOG ADVISORY IN EFFECT FOR OUR AREA LATE MORNING. ABUNDANT LOW LEVEL MOISTURE COMBINED WITH A LIGHT WIND REGIME HAS LED TO THE DEVELOPMENT OF DENSE FOG OVER PARTS OF CENTRAL... EAST CENTRAL AND SOUTHEAST ILLINOIS.

IN ADDITION... SURFACE TEMPERATURES WERE BELOW FREEZING OVER A LARGE PART OF THE ADVISORY AREA WHICH WILL LEAD TO SOME ICE FORMATION ON BRIDGE DECKS...OVERPASSES AND ON/OFF RAMPS. A SLOW IMPROVEMENT IS EXPECTED OVER MOST OF THE AREA LATE THIS MORNING. ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CST THIS MORNING...

* VISIBILITY...LESS THAN ONE QUARTER OF A MILE OR LESS AT TIMES WILL GRADUALLY EXPAND EAST AND SOUTH EARLY THIS MORNING.

94.1 WGFA