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Dense Fog Advisory

DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING

WHAT:
Visibility one quarter mile or less in dense fog.

WHERE:
A portion of central Pennsylvania.

WHEN:
Until 8 AM EDT this morning.

IMPACTS:
Low visibility could make driving conditions hazardous.

Updated: 
March 21, 2026 at 03:30 EDT
Event Onset: 
March 21, 2026 at 03:30 EDT
Event End: 
March 21, 2026 at 08:00 EDT
Severity: 
Moderate
Urgency: 
Expected
Certainty: 
Likely
Issued By: 
NWS State College PA
Area(s): 
Adams
Columbia
Cumberland
Dauphin
Juniata
Lancaster
Lebanon
Montour
Northumberland
Perry
Schuylkill
Snyder
Union
York