« View county listDense Fog Advisory
District of Columbia-Washington-Frederick MD-Carroll-
Northern Baltimore-Southern Baltimore-Prince Georges-Anne Arundel-
Northwest Montgomery-Central and Southeast Montgomery-
Northwest Howard-Central and Southeast Howard-Northwest Harford-
Southeast Harford-Fairfax-Arlington/Falls Church/Alexandria-
Western Loudoun-Eastern Loudoun-Berkeley-Jefferson-
Including the cities of Washington, Hagerstown, Frederick,
Ballenger Creek, Eldersburg, Westminster, Reisterstown,
Cockeysville, Baltimore, Bowie, Suitland-Silver Hill, Clinton,
College Park, Greenbelt, Laurel, Camp Springs, Glen Burnie,
Annapolis, Severn, South Gate, Severna Park, Arnold, Odenton,
Germantown, Damascus, Bethesda, Rockville, Gaithersburg,
Silver Spring, Lisbon, Columbia, Ellicott City, Jarrettsville,
Aberdeen, Reston, Herndon, Annandale, Centreville, Chantilly,
McLean, Franconia, Arlington, Alexandria, Purcellville, Leesburg,
Ashburn, Sterling, Martinsburg, Charles Town, and Shepherdstown
546 AM EST Sat Feb 24 2018
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM EST THIS
* VISIBILITIES...One quarter mile or less at times.
* IMPACTS...Limited visibilities will make travel very difficult.
A Dense Fog Advisory means visibilities will frequently be
reduced to less than one quarter mile. If driving, slow down, use
your headlights, and leave plenty of distance ahead of you.