Road closures have been reported across the two counties.
The National Weather Service in Sterling Virginia has issued a * Flood Warning for... Western Carroll County in north central Maryland... Frederick County in north central Maryland... * Until 600 PM EDT. * At 1200 PM EDT, emergency management reported numerous road closures in eastern portions of Frederick County from Smithsburg south to Thurmont and Rocky Ridge along the Monocacy River. * Some locations that will experience flooding include... Frederick, Thurmont, Emmitsburg, Harry Grove Stadium, Ballenger Creek, Mount Airy, Taneytown, Brunswick, Walkersville, Braddock Heights, New Market, Green Valley, Clover Hill, Discovery-Spring Garden, Point Of Rocks, Wolfsville, Linganore-Bartonsville, Adamstown, Jefferson and Myersville.
By the National Weather Service