 WBAL-TV 11 Weather. There's a flood watch out for southern Maryland and the eastern shore through Saturday, expecting 1 to 4 inches of total rain in those areas, which could lead to flooding near streams and low-lying spots. Never attempt to drive through a flooded roadway. In the Baltimore region, we're likely to see a half inch to an inch of total rain through Saturday, though there could be isolated heavier amounts, and we do need the rain.