NEWSPhotos: Flooding in Sioux FallsChristian Gabriel, 17, watches the water rise at Falls Park on Thursday, Sept. 20, 2018 in Sioux Falls, S.D.Loren Townsley / Argus LeaderWater rises at Falls Park on Thursday, Sept. 20, 2018 in Sioux Falls, S.D.Loren Townsley / Argus LeaderWater rises at Falls Park on Thursday, Sept. 20, 2018 in Sioux Falls, S.D.Loren Townsley / Argus LeaderPedestrian watches the water rise at Falls Park from a viewing platform on Thursday, Sept. 20, 2018 in Sioux Falls, S.D.Loren Townsley / Argus LeaderWater rises at the river walk next to the Hilton Hotel in downtown Sioux Falls, S.D., on Thursday, Sept. 20, 2018.Loren Townsley / Argus Leader