Evacuations have been ordered, roads are washed out, and schools were closed in multiple counties across the state. Wide areas of Nebraska and Iowa are under water, with many rivers reaching record levels. The main river basins include the Little Missouri, Eastern Powder, Belle Fourche, Grand, Moreau, Cheyenne, Bad, White and Keyapaha River Basins. A series of disturbances associated with a persistent area of low pressure over the western half of the U.S. produced several rounds of heavy precipitation across western South Dakota and northeastern Wyoming, particularly near and east of the Black Hills and over the Cheyenne River and White River basins. The Black Hills Flood of 1972, also known as the Rapid City Flood, was the most detrimental flood in South Dakota history, and one of the deadliest floods in U.S. history.

Flooding widespread across western South Dakota plains Gary Matthews - May 24, 2019 PHILIP, S.D.
Heavy rain leads to flooding woes on western South Dakota plains News Staff - May 22, 2019. South Dakota residents are dealing with a flooding nightmare. Many rivers and streams are running high, and some are over their banks. USA – Floods in Iowa, Nebraska and South Dakota as Rain and Melting Snow Push Rivers to Record Levels. UNDATED - The aftermath of the past three days of rain and snow is now flooding, and most of western South Dakota is under some sort of flood advisory of warning.

Courtesy photo The White River2.jpg The flood took place on June 9–10, 1972 [1] in the Black Hills of Western South Dakota.

Oglala isn’t South Dakota’s only county struggling as floodwaters continue to ravage the state: Titze said that as of Friday, 16 counties have submitted emergency declarations. – Flooding along streams and rivers across the western South Dakota plains will … 14 March, 2019. About… Read Full Article.
15 inches (380 mm) of rain in a small area over the Black Hills caused Rapid Creek and other waterways to overflow. Last week, the National Weather Service issued flood warnings for portions of the Cheyenne and White rivers in western South Dakota because of ice jams. ...The Flood Warning continues for the following rivers in South Dakota... James River At Columbia James River Near Stratford James River At Ashton .The following river forecasts include forecast precipitation through In Philip, the Bad River was causing flooding concerns as … This spring flood and water resource outlook is for the Rapid City Hydrologic Service Area (HSA) which covers northeastern Wyoming and western South Dakota. The flood situation in upper mid-western states has worsened over the last few days.