Note: The Dense Fog Advisory has expired for the DC region. The most recent advisory issuance before the expiration is below.
A Dense Fog Advisory is in effect to 9 am Friday, May 16, 2025 including the following jurisdictions.
MARYLAND: Cecil, Hartford.
Excerpted from the National Weather Service:
…DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING PARTS OF NORTHEAST MARYLAND…
WHAT…Visibility one quarter mile or less in dense fog Parts of Northeast Maryland.
WHERE…Cecil, Northwest Harford, and Southeast Harford Counties.
WHEN…Until 9 AM EDT this morning.
IMPACTS…Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.