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 SATURDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Berks, Lehigh and Northampton.
* WHEN...Until 1 AM EST Saturday.
* IMPACTS...Hazardous driving conditions due to low visibility.