SIOUX FALLS, S.D. (KELO.com) -- There is a flash flood watch in effect for southeastern South Dakota, including Minnehaha and Lincoln Counties.
The watch also includes parts of northwestern Iowa and southwestern Minnesota.
The National Weather Service predicts that some areas could get up to four inches of rain through Thursday morning.
The flash flood watch is in effect until 7:00 a.m. June 21.
The heavy rain will bring an increased risk for river and stream flooding, especially in areas that are already waterlogged by recent rain.