697 FPUS71 KLWX 111030 NOWLWX Short Term Forecast National Weather Service Baltimore MD/Washington DC 630 AM EDT Thu Oct 11 2018 DCZ001-MDZ011-013-014-504-506-VAZ053-054-111230- District of Columbia-Southern Baltimore-Prince Georges- Anne Arundel-Central and Southeast Montgomery- Central and Southeast Howard-Fairfax- Arlington/Falls Church/Alexandria- Including the cities of Washington, Baltimore, Bowie, Suitland-Silver Hill, Clinton, College Park, Greenbelt, Laurel, Camp Springs, Glen Burnie, Annapolis, Severn, South Gate, Severna Park, Arnold, Odenton, Bethesda, Rockville, Gaithersburg, Silver Spring, Columbia, Ellicott City, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria, and Falls Church 630 AM EDT Thu Oct 11 2018 .NOW... Showers will produce heavy downpours over the Baltimore and Washington DC metro areas during the morning commute. Up to a half inch of rain is possible in a short period of time, which will cause ponding of water on roadways and sudden reductions in visibility. Motorists should remain alert for the potential of hydroplaning. Allow extra travel time and following distance, and use your low beam headlights. $$ DHOF