The National Weather Service issued a report at 3:28 a.m. on Wednesday for dense fog until 8:30 a.m. for Wayne, Cayuga, Oswego, Jefferson, Lewis, Wyoming, Livingston, Ontario, Cattaraugus and Allegany counties.

"Regional webcams and observations show fog has expanded across parts of the area this morning. Some of this fog is locally dense, with visibilities down to a quarter of a mile or less. If you will be traveling, be sure to slow down and be prepared for rapid changes in visibility. The fog is expected to slowly dissipate later this morning," according to the weather service.

Navigating fog: Safety tips by the weather service

If you need to drive through fog, remember these safety guidelines:

Reduce speed:

Slow down and allocate extra time for your trip to reach your destination

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