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

DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... * WHAT...Visibility one quarter mile or less in areas of dense fog. * WHERE...Portions of central, northern and northwest New Jersey and east central, northeast and southeast Pennsylvania. * WHEN...Until 1 AM EST Thursday. * IMPACTS...Hazardous driving conditions due to low visibility. * ADDITIONAL DETAILS...The dense fog has improved for some areas due to a period of rain, however several places still have a visibility between one half and one quarter of a mile. Some additional improvements may occur overnight.