Note: The Dense Fog Advisory has been canceled for the DC region. The most recent advisory issuance before the expiration is below.
A Dense Fog Advisory is in effect to 9 am Wednesday, November 26, 2025 including the following jurisdictions.
MARYLAND: Washington.
VIRGINIA: Augusta, Rockingham, Shenandoah, Frederick.
WEST VIRGINIA: Morgan, Berkeley, Jefferson.
Excerpted from the National Weather Service:
…DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING…
WHAT…Visibility one quarter mile or less in dense fog.
WHERE…In Maryland, Washington County. In Virginia, Frederick VA, Shenandoah, Augusta, and Rockingham Counties. In West Virginia, Berkeley, Jefferson, and Morgan Counties.
WHEN…Until 9 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.