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.

FLOOD WATCH IN EFFECT FROM FRIDAY EVENING THROUGH LATE FRIDAY NIGHT... * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...The District of Columbia, for the following areas in Maryland, Anne Arundel, Cecil, Central and Southeast Howard, Central and Southeast Montgomery, Charles, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford and Southern Baltimore, and Virginia, including the following areas, Albemarle, Arlington/Falls Church/Alexandria, Central Virginia Blue Ridge, Central and Southeast Prince William/Manassas/Manassas Park, Culpeper, Eastern Loudoun, Fairfax, Greene, Madison, Nelson, Northern Fauquier, Northern Virginia Blue Ridge, Northwest Prince William, Orange, Rappahannock, Southern Fauquier, Spotsylvania and Stafford. * WHEN...From Friday evening through late Friday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - A period of moderate to locally heavy rain is expected ahead of a cold front, beginning late Friday afternoon and continuing through Friday evening before ending overnight. Rainfall amounts around three quarters of an inch to an inch and a half are most likely with localized amounts around 2 inches possible. Most of the rain will fall in a three to six hour period Friday evening. The locally heavy rain combined with already saturated soil may cause excess runoff leading to flooding of streams and creeks as well as potential flooding in urban and low-lying areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information