There’s a flood warning in effect for parts of Montgomery County until 11:30am Tuesday morning. Flooding caused by excessive rainfall is expected in portions of central Maryland and north central Maryland, including the following counties: in central Maryland, Howard and Montgomery.
Between 1.5 and 3 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Some locations that will experience flooding include, Germantown, Frederick, Rockville, Gaithersburg, Leesburg, Olney, Westminster, Damascus, Lowes Island, Poolesville, Aspen Hill, Potomac, North Bethesda, Montgomery Village, North Potomac, Ballenger Creek, Redland, Great Falls, Mount Airy, and Walkersville.