743 FPUS71 KLWX 310721 NOWLWX Short Term Forecast National Weather Service Baltimore MD/Washington DC 321 AM EDT Wed May 31 2017 MDZ503-504-VAZ026-027-029>031-039-040-051>053-501-502-505>507- 310930- Northwest Montgomery-Central and Southeast Montgomery-Rockingham- Shenandoah-Page-Warren-Clarke-Madison-Rappahannock-Culpeper- Prince William/Manassas/Manassas Park-Fairfax-Northern Fauquier- Southern Fauquier-Western Loudoun-Eastern Loudoun- Northern Virginia Blue Ridge- Including the cities of Germantown, Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring, Harrisonburg, Strasburg, Woodstock, Mount Jackson, New Market, Luray, Shenandoah, Stanley, Front Royal, Berryville, Madison, Washington, Culpeper, Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Warrenton, Turnbull, Purcellville, Leesburg, Ashburn, Sterling, and Big Meadows 321 AM EDT Wed May 31 2017 .NOW... PATCHY DENSE FOG HAS DEVELOPED IN PARTS OF THE REGION. VISIBILITY MAY DROP DOWN TO ONE QUARTER MILE OR LESS IN SOME LOCATIONS OVER THE NEXT FEW HOURS. EARLY MORNING MOTORISTS SHOULD SLOW DOWN AND USE CAUTION AS VISIBILITY MAY DROP QUICKLY IN A SHORT DISTANCE, PARTICULARLY AT HIGH SPEED. $$