A slow-moving storm system will bring multiple rounds of showers and thunderstorms to the D.C. region through Monday.
7News First Alert Meteorologist Mark Peña said that while a few stronger storms are possible for most of Sunday afternoon, especially west of Interstate 95, periods of heavy rain could produce flooding concerns.
The National Weather Service said widespread showers and thunderstorms are expected Sunday, with some storms potentially becoming severe. Damaging wind gusts are the main severe-weather threat, while localized heavy rainfall could result in instances of flash flooding…