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 remains in effect to 10 am Wednesday, February 18, 2026 including the following jurisdictions.
MARYLAND: Carroll, Baltimore, Baltimore City, Cecil, Anne Arundel, Howard, Harford.
…DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING…
WHAT…Visibility one quarter mile or less in dense fog.
WHERE…Anne Arundel, Central and Southeast Howard, Northwest Howard, Carroll, Cecil, Northern Baltimore, Northwest Harford, Southeast Harford, and Southern Baltimore Counties.
WHEN…Until 10 AM EST 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.