Home / Hazards / Floods / South Dakota
Floods in South Dakota
21 federal floods disaster declarations in South Dakota since 1953.
Floods — South Dakota — federal disaster declarations per year
19542025
Counties most affected
Hanson County12Turner County11Sanborn County10Codington County10Aurora County9Hamlin County9Hutchinson County9Brown County9Union County9Clay County9Spink County9Roberts County9Day County9Deuel County9Moody County9Grant County9Kingsbury County9Hand County9Clark County9Tripp County8Buffalo County8Faulk County8Gregory County8Beadle County8Marshall County8Jerauld County8Edmunds County8Lake County8Butte County7Brookings County7Brule County7Charles Mix County7Lincoln County7Lyman County7McCook County7Miner County7Pennington County6Potter County6Sully County6Douglas County6Yankton County6Meade County6Hyde County6Minnehaha County5McPherson County5Hughes County5Davison County5Walworth County5Bon Homme County5Jackson County5Lawrence County5Jones County4Bennett County4Mellette County4Ziebach County4Perkins County4Custer County4Todd County4Campbell County4Dewey County3Fall River County3Stanley County3Haakon County3Harding County2Corson County2
Declarations
September 11, 2025Flood
SEVERE STORM AND FLOODING
August 15, 2024Flood25 counties
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
July 6, 2023Flood10 counties
FLOODING
September 23, 2019Flood25 counties
SEVERE STORMS AND FLOODING
June 7, 2019Flood58 counties
SEVERE WINTER STORM, SNOWSTORM, AND FLOODING
July 28, 2014Flood12 counties
SEVERE STORMS, TORNADOES, AND FLOODING
May 13, 2011Flood40 counties
FLOODING
May 13, 2010Flood37 counties
FLOODING
May 17, 2001Flood24 counties
SEVERE WINTER STORMS, FLOODING, AND ICE JAMS
June 1, 1998Flood9 counties
FLOODING, SEVERE STORMS, TORNADOES
April 7, 1997Flood66 counties
SEVERE FLOODING, SEVER WINTER STORMS,HEAVY RAINS HIGH WINDS
May 26, 1995Flood53 counties
FLOODING
May 3, 1986Flood25 counties
SEVERE STORMS & FLOODING
July 19, 1984Flood16 counties
SEVERE STORMS & FLOODING
June 25, 1976Flood4 counties
FLASH FLOODING & MUDSLIDES
June 10, 1972Flood4 counties
HEAVY RAINS & FLOODING
April 18, 1969Flood26 counties
FLOODING
May 26, 1965Flood4 counties
FLOODING
July 27, 1962Flood
FLOODS & TORNADOES
April 8, 1960Flood
FLOODS
July 31, 1954Flood
FLOOD
Source: OpenFEMA Disaster Declarations Summaries. History is not a forecast.