...DENSE FOG ACROSS PORTIONS OF NORTHERN ILLINOIS OVERNIGHT...

.MILD SOUTHERLY WINDS BLOWING ACROSS A MELTING SNOW PACK WILL
CONTINUE TO PRODUCE AREAS OF DENSE FOG ACROSS THE ADVISORY AREA
INTO THIS AFTERNOON. COVERAGE OF DENSE FOG IS EXPECTED TO DECREASE
INTO THE AFTERNOON. MOTORISTS SHOULD BE PREPARED FOR RAPID CHANGES
IN VISIBILITY FROM ONE AREA TO THE NEXT AS THIS OCCURS.

COUNTY SPECIFIC MESSAGE:

/O.EXT.KLOT.FG.Y.0018.000000T0000Z-101231T2200Z/
WINNEBAGO-BOONE-OGLE-LEE-DE KALB-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...OREGON...DIXON...
DEKALB
938 AM CST FRI DEC 31 2010

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...

THE DENSE FOG ADVISORY IS NOW IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON.

* TIMING...AREAS OF DENSE FOG WILL CONTINUE THROUGH THE MID
MORNING HOURS.

* VISIBILITY...A QUARTER MILE OR LESS IN MANY AREAS.

* IMPACTS...LOW VISIBILITY WILL MAKE TRAVEL HAZARDOUS. RAPID
CHANGES IN VISIBILITY FROM ONE AREA TO THE NEXT ARE LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITY WILL FREQUENTLY BE REDUCED
TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...USE YOUR
HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.