The National Weather Service has issued a Dense Fog Advisory for Tompkins, Chemung, Schuyler and Tioga (NY) Counties until 11AM. 

Thick fog will develop this morning across the warned areas that will compromise visibility. Expect visibility to fall as low as less than a quarter of a mile within these counties. Changes in visibility may fluctuate with elevation. 

If driving in thick dense fog, please slow down! Be sure to turn on your headlights and leave plenty of distance between you and other cars.