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.
Excepted 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.
The dense fog advisory in the Washington, DC region is updated for Friday, May 16, 2025.