You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Central and Southeast Montgomery, Charles, Prince Georges and St. Marys, and Virginia, including the following areas, Albemarle, Arlington/Falls Church/Alexandria, Central and Southeast Prince William/Manassas/Manassas Park, Culpeper, Fairfax, Greene, King George, Madison, Orange, Southern Fauquier, Spotsylvania and Stafford. * WHEN...From 6 PM EDT this evening through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Showers and thunderstorms will increase in coverage late this afternoon through this evening. Some thunderstorms will contain heavy rainfall, with rainfall amounts around 1 to 3 inches possible within an hour or two. Storms may also train over the same areas, causing the possibility for locally higher amounts around 4 to 5 inches of rain within a few hours. Heavy rainfall in a short period of time combining with already saturated soils means that creeks and streams may rapidly rise out of their banks along with the potential for flash flooding in urban areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information