Glen Rock, PA Severe Weather Alertstar_ratehome

...LOCALLY DENSE FOG WILL REDUCE VISIBILITY EARLY THIS MORNING...

Locally dense fog will reduce visibility to a quarter mile or less
in spots early this morning. If traveling, be prepared for changes
in visibility over a short distance especially on ridgetops or in
river and stream valleys. The fog will dissipate and visibility
will steadily improve to unrestricted between sunrise and 9AM.