A dangerous, dense fog moved into our area after Wednesday night, dropping visibility to a quarter-mile or even zero at times. However, the foggy conditions improved as Thursday morning went on.
The National Weather Service issued a Dense Fog Advisory for most of our area, stretching from Delaware, through Southeast Pennsylvania and into much of New Jersey. The advisory lasts from 8 p.m. until 1 p.m. Thursday.
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WATCH HEREAn earlier NBC10 First Alert for foggy travel conditions has ended.
If you must drive, slow down, use headlights and leave plenty of space ahead of you.
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SIGN UP The dense fog could come in waves, so be careful even if it doesn't seem as bad when you head out.
The best advice: plan on giving yourself extra time to go where you need to Thursday morning.
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Rain moved in as Thursday morning went on, breaking up the fog, but leading to the potential for slick spots.
The rain is expected to last into Friday before a cold blast this weekend.
