District of Columbia-Washington-Frederick MD-Carroll- Northern Baltimore-Southern Baltimore-Prince Georges-Anne Arundel- Calvert-Northwest Montgomery-Central and Southeast Montgomery- Northwest Howard-Central and Southeast Howard-Northwest Harford- Southeast Harford-Rockingham-Shenandoah-Frederick VA-Page-Warren- Clarke-Madison-Rappahannock-Culpeper- Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Western Loudoun-Eastern Loudoun- Northern Virginia Blue Ridge-Hampshire-Morgan-Berkeley-Jefferson- Hardy- 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, Chesapeake Beach, Huntingtown, Dunkirk, North Beach, Lusby, Prince Frederick, Germantown, Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City, Jarrettsville, Aberdeen, Harrisonburg, Strasburg, Woodstock, Mount Jackson, New Market, Winchester, Luray, Shenandoah, Stanley, Front Royal, Berryville, Madison, Culpeper, Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria, Falls Church, Warrenton, Turnbull, Purcellville, Leesburg, Ashburn, Sterling, Big Meadows, Romney, Paw Paw, Martinsburg, Charles Town, Shepherdstown, and Moorefield 239 PM EST Fri Dec 14 2018 ...FLOOD WATCH NOW IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... The Flood Watch is now in effect for * Portions of Maryland, The District of Columbia, Virginia, and West Virginia, including the following areas, in Maryland, Anne Arundel, Calvert, Carroll, Central and Southeast Howard, Central and Southeast Montgomery, Frederick MD, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford, Southern Baltimore, and Washington. The District of Columbia. In Virginia, Arlington/Falls Church/Alexandria, Clarke, Culpeper, Eastern Loudoun, Fairfax, Frederick VA, Madison, Northern Fauquier, Northern Virginia Blue Ridge, Page, Prince William/Manassas/Manassas Park, Rappahannock, Rockingham, Shenandoah, Southern Fauquier, Warren, and Western Loudoun. In West Virginia, Berkeley, Hampshire, Hardy, Jefferson, and Morgan. * From Saturday afternoon through late Saturday night * Moderate rainfall is expected with locally heavy rain possible. Rainfall amounts around 1.5 to 2.5 inches are most likely with locally higher amounts around 3 to 4 inches possible. Runoff from the rainfall may cause creeks and streams to rise out of their banks as well as the potential for flooding in urban areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.