A weather alert was issued by the National Weather Service on Wednesday at 4 a.m. for dense fog until 8 a.m. for Carbon, Monroe, Berks, Lehigh, Northampton and Bucks counties.
"Locally dense fog has developed across portions of the region. While not expected to be very widespread, localized visibility may drop below one quarter of a mile. Early morning motorists should use caution through the morning rush. Low beam headlights help keep your vehicle visible to others and reduced speed allows more time for you and others to react. Visibility should improve 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 allow extra travel time to reach