Flood Watch

A cold front has stalled over the DC metro. Increasing humidity is expected to lead to showers and thunderstorms with heavy rain through this evening.

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Washington DC, portions of central Maryland, including the following areas, Anne Arundel, Central and Southeast Montgomery and Prince Georges, and northern Virginia, including the following areas, Arlington/Falls Church/Alexandria and Fairfax.

* WHEN...Until 10 PM EDT this evening.

* IMPACTS...Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris.

* ADDITIONAL DETAILS... - Scattered to numerous showers producing heavy rain are anticipated through this evening. Localized rainfall amounts of 1 to 3 inches are possible in 1 to 2 hours, and may lead to rapid rises of water on streams and in poor drainage areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information.