999 first-hand accounts of flood events in South Dakota, ranked by impact. Each is a NOAA-written narrative of the moment.
Very heavy rains from thunderstorms repeatedly going over the same area resulted in extensive flash flooding in a 30 to 40 mile wide band from Fort Pierre in southeast Stanley County to Hecla in northeast Brown County.
Read the full account →A supercell thunderstorm developed over the southern Black Hills and tracked southeast, weakening on the adjacent plains. The storm produced large hail and heavy rain over the area.
Read the full account →Storms formed in the Missouri River Valley in the afternoon producing quarter to half dollar sized hail. These storms merged into a line which would eventually produce three weak tornadoes. One of these tornadoes destroyed a shed near Columbia.
Read the full account →Storms redeveloped in the late morning, with supercell characteristics across eastern South Dakota producing up to one inch diameter hail and winds of 70 mph, in addition to 6 confirmed tornadoes, one of which was rated EF3.
Read the full account →Storms redeveloped in the late morning, with supercell characteristics across eastern South Dakota producing up to one inch diameter hail and winds of 70 mph, in addition to 6 confirmed tornadoes, one of which was rated EF3.
Read the full account →An area of low pressure and associated frontal boundaries brought several severe thunderstorms to central, north-central, and northeastern South Dakota from the evening of July 3rd to the early morning hours of July 4th.
Read the full account →Multiple days of light to moderate rain on top of saturated soils resulted in brief minor flooding for multiple rivers in the forecast area. Rainfall amounts for the 5 day period leading up to the flooding totaled just less than 3 inches near these river basins.
Read the full account →Multiple days of light to moderate rain on top of saturated soils resulted in brief minor flooding for multiple rivers in the forecast area. Rainfall amounts for the 5 day period leading up to the flooding totaled just less than 3 inches near these river basins.
Read the full account →Multiple days of light to moderate rain on top of saturated soils resulted in brief minor flooding for multiple rivers in the forecast area. Rainfall amounts for the 5 day period leading up to the flooding totaled just less than 3 inches near these river basins.
Read the full account →Rainfall persisted across the area between April 28th and May 1st with three day totals over 3 inches between Edmunds, McPherson and Brown counties as well as upstream in North Dakota.
Read the full account →Rainfall persisted across the area between April 28th and May 1st with three day totals over 3 inches between Edmunds, McPherson and Brown counties as well as upstream in North Dakota.
Read the full account →River flooding from snowmelt and rainfall earlier this spring continued into and then ended in September due to dry conditions. The James River at the Columbia river gauge, CMBS2, was in minor flood stage (between 13 and 16 feet) for about 2 hours on the early morning of…
Read the full account →River flooding from snowmelt and rainfall earlier this spring continued into and then ended in September due to dry conditions. The James River at the Columbia river gauge, CMBS2, was in minor flood stage (between 13 and 16 feet) for about 2 hours on the early morning of…
Read the full account →A multi-day strong autumn storm system brought widespread rainfall to the region, including as much as 4-7 inches to portions of central South Dakota.
Read the full account →A line of strong to severe thunderstorms produced gusty winds across portions of Todd County. Monsoonal moisture, combined with training storms, resulted in flash flooding across southern Mellette and northern Todd Counties.
Read the full account →A line of strong to severe thunderstorms produced gusty winds across portions of Todd County. Monsoonal moisture, combined with training storms, resulted in flash flooding across southern Mellette and northern Todd Counties.
Read the full account →Thunderstorms produced a variety of severe weather and flash flooding in much of southeast South Dakota from late morning through the afternoon and into the early evening of June 26th.
Read the full account →Warm frontal thunderstorms produced 1 to 3 inches of heavy rain across Grant, Deuel, Hamlin, and Codington counties. The heavy rain fell on top of an extensive snow cover resulting in flash flooding.
Read the full account →Rapid snowmelt from a few day period of well above normal temperatures focused on the 11-13th of April resulted in minor to locally moderate flooding through much of the Big Sioux River Basin.
Read the full account →Rapid snowmelt from a few day period of well above normal temperatures focused on the 11-13th of April resulted in minor to locally moderate flooding through much of the Big Sioux River Basin.
Read the full account →Rapid snowmelt from a few day period of well above normal temperatures focused on the 11-13th of April resulted in minor to locally moderate flooding through much of the Big Sioux River Basin.
Read the full account →Rapid snowmelt from a few day period of well above normal temperatures focused on the 11-13th of April resulted in minor to locally moderate flooding through much of the Big Sioux River Basin.
Read the full account →Rapid snowmelt from a few day period of well above normal temperatures focused on the 11-13th of April resulted in minor to locally moderate flooding through much of the Big Sioux River Basin.
Read the full account →Rapid snowmelt from a few day period of well above normal temperatures focused on the 11-13th of April resulted in minor to locally moderate flooding through much of the Big Sioux River Basin.
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