Dense Fog Advisory until 12:00AM Monday 
...DENSE FOG ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT... The National Weather Service in State College has issued a Dense Fog Advisory, which is in effect until midnight EST tonight.
* VISIBILITIES...Less than a quarter mile in many locations.
* TIMING...The dense fog will give way to improving conditions by around midnight.
* IMPACTS...Limited visibilities will make travel very difficult.
* AFFECTED AREAS: ADAMS ... COLUMBIA ... CUMBERLAND ... DAUPHIN ... JUNIATA ... LANCASTER ... LEBANON ... MONTOUR ... NORTHUMBERLAND ... PERRY ... SCHUYLKILL ... SNYDER ... SOUTHERN LYCOMING ... UNION ... YORK
Instructions:
Motorists are advised to slow down...use low beam headlights and keep a safe following distance from the vehicle in front of you. Consider allowing extra time to reach your destination. Go to weather.gov/fog for more information on fog safety.
Address/Location
Northeastern York County Emergency Management Agency
5080 N Sherman St Ext
Mount Wolf, PA 17347
Contact
Emergency: 9-1-1
Non-emergencies: 717-577-1844