Active AlertsSomerset, NJ

What: Visibility one quarter mile or less in dense fog. Patchy ice.
Where: Portions of northern Delaware, northeast Maryland, central, northern, northwest, and southern New Jersey, and east central, northeast, and southeast Pennsylvania.
When: Until 10 AM EST this morning.
Impacts: Low visibility could make driving conditions hazardous. Patchy freezing fog could result in icy roads.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.