Dense Fog Advisory Extended through Midnight

The Dense Fog Advisory that was in-effect for our area through 7pm has now been extended through midnight by the National Weather Service:

...DENSE FOG ADVISORY FOR NORTH CENTRAL...NORTHEAST ILLINOIS AND PORTIONS OF NORTHWEST INDIANA THIS EVENING....LIGHT WIND FLOW...AND RELATIVELY MOIST AIR LYING OVER FRESH SNOW COVER WILL PRODUCE AREAS OF DENSE FOG THIS EVENING OVER MOST OF NORTH CENTRAL AND NORTHEAST ILLINOIS AND NORTHWEST INDIANA.  VISIBILITIES ARE EXPECTED TO IMPROVE QUICKLY LATER TONIGHT AS A COLD FRONT MOVES THROUGH BRINGING COLDER AND DRIER AIR.

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
THE DENSE FOG ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT.

* TIMING...THROUGH MIDNIGHT.

* VISIBILITY...FREQUENTLY LOWERING TO LESS THAN A QUARTER MILE.

* IMPACTS...REDUCED VISIBILITY WILL REQUIRE ADDED CAUTION WHILE TRAVELING ACROSS THE ADVISORY AREA THIS EVENING.

A DENSE FOG ADVISORY MEANS VISIBILITIES 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.