The NWS Fort Worth TX issued a dense fog advisory at 7:12 a.m. on Tuesday in effect until 10 a.m. The advisory is for Grayson, Fannin, Denton, Collin, Parker, Tarrant, Erath, Hood, Somervell and Comanche counties.

Low clouds and fog developed overnight across North Texas, leading to a dense fog advisory through 10 a.m. for some counties. Visibility dropped to half a mile or less during the Tuesday morning commute.

On Tuesday at 3:05 a.m. a dense fog advisory was issued by the National Weather Service in effect until 10 a.m. The advisory is for West Cameron, East Cameron, Northern Calcasieu, Northern Jefferson Davis,