Funnel Cloud in South Dakota

Events

171

Deaths

0

Injuries

1

Damage

None recorded

• Tornadoes and Flash Flooding in South Dakota, June 2 to 30, 19991 death · 54 injured · $3.6 million · F2 · 103 eventsStrong winds from thunderstorms blew over several trees and fences in the community.
• Tornadoes and Hail in South Dakota, June 18, 20143 injured · $5.6 million · EF4 · 11 eventsThunderstorms during the evening of June 18th produced tornadoes in Jerauld County, with one tornado crossing briefly into Beadle County. The tornadoes included one that caused severe damage to Wessington Springs. There was also a report of large hail.
• Tornadoes and Flash Flood in South Dakota, May 22, 2010EF4 · 35 eventsSeveral supercell thunderstorms developed along a very strong warm front and produced nine tornadoes from Akaska to Bowdle to Hecla. The largest of the tornadoes was an EF4 tornado which occurred near Bowdle. This tornado produced devastating damage in the Bowdle area.
• Tornadoes and Flash Flood in South Dakota, June 21, 20131 death · 2 injured · $1.1 million · EF0 · 75 eventsA strong warm front along with very unstable air and strong deep layer winds brought several supercell thunderstorns along with a damaging line of thunderstorms/bow echo to parts of central and northeast South Dakota during the afternoon hours.
• Tornado and Flash Flooding in South Dakota, July 31, 20242 deaths · 2 in hail · 21 eventsA very moist and unstable atmosphere was present in the wake of earlier day convection, as another stronger mid-level wave and associated frontal boundary pushed through southeast South Dakota and southwest Minnesota during the evening and early overnight hours.
• Tornadoes and Flash Flood in South Dakota, May 10, 20159 injured · $1.5 million · EF2 · 14 eventsThunderstorms over southeast South Dakota from late morning to the start of the evening on May 10th produced several tornadoes, including one that caused injuries and severe damage in Delmont in Douglas County.
• Tornadoes and Flash Flooding in South Dakota, June 28 to 29, 20252 injured · $10,000 · EF3 · 14 eventsA volatile atmospheric setup on the afternoon and evening of June 28th led to the development of several powerful supercell thunderstorms across far eastern South Dakota. These storms produced multiple tornadoes, including two that caused significant damage in Deuel County.
• Tornadoes and Flash Flooding in South Dakota, May 30, 2022EF3 · 19 eventsStorms 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.
• Tornadoes and Flash Flooding in South Dakota, August 28, 2021$3.9 million · EF1 · 47 eventsAn unstable warm sector with MUCAPE up to 2000-2500 J/kg developed during the afternoon between an advancing cold front across southeast South Dakota and a gangly warm front extending into southwest Minnesota.
• Tornadoes and Hail in South Dakota, May 12, 20223 injured · EF2 · 67 eventsA derecho developed in south central South Dakota and traveled northeast into eastern and northeastern South Dakota.
• Tornado and Flash Flood in South Dakota, June 16 to 17, 2010$100,000 · EF2 · 18 eventsSeveral supercell thunderstorms brought very heavy rains of 4 to 7 inches, hail up to golfball size, winds to over 100 mph, along with a tornado to parts of north central South Dakota. Dewey county was the most affected by the storms.
• Tornadoes and Hail in South Dakota, May 30, 2022$279,000 · EF1 · 49 eventsThere was barely a break between the exit of the earlier morning severe convection, and development of the next round during the later morning and early afternoon on May 30th across southeast South Dakota.
• Tornadoes and Hail in South Dakota, July 28, 2025EF2 · 44 eventsTwo distinct supercell clusters developed across central South Dakota during the late afternoon of July 28 within a highly unstable environment (MUCAPE up to 5000 J/kg) ahead of an eastward advancing surface front.
• Flash Flooding and Flood in South Dakota, June 2 to 3, 2026$2.5 million · 1.75 in hail · 21 eventsFrom June 2-4, 2026, a series of disturbances tracking across the region within broad zonal flow set off several rounds of thunderstorms to the region.
• Tornadoes and Flash Flood in South Dakota, July 23, 2010$1.1 million · EF0 · 34 eventsThunderstorms produced large hail, damaging winds, and brief tornadoes in southeast South Dakota during the evening of July 23rd. The storms moved east and affected the area mainly near and south of Interstate 90.
• Tornadoes and Flash Flood in South Dakota, June 24 to 25, 2009$285,000 · EF0 · 46 eventsThunderstorms produced numerous reports of large hail and damaging winds, along with several brief tornadoes, over southeast South Dakota during the evening of June 24th, to a little after midnight on June 25th. There was also at least two areas affected by flash flooding.
• Tornado and Flash Flooding in South Dakota, June 8 to 9, 2020$586,000 · 2.5 in hail · 16 eventsThunderstorms fired along a slowly moving cold front during the early evening. Initially discrete, strong updrafts with 2000-2500 J/kg MLCAPE and deep-layer shear around 50 knots resulted in supercells, which later congealed into a slowly progressing line.
• Tornadoes and Hail in South Dakota, July 17, 2015EF0 · 100 eventsA surface low pressure area moving across South Dakota combined with a warm front lifting north and a cold front moving east brought many severe thunderstorms to northeast South Dakota.
• Tornadoes and Hail in South Dakota, June 21, 2013$265,000 · EF0 · 27 eventsThunderstorms produced damaging winds and large hail at numerous locations in southeast South Dakota during the afternoon and evening of June 21st. There were also two brief tornadoes reported.
• Hail and Damaging Winds in South Dakota, July 6, 1998$500,000 · 80 kt wind · 4 eventsALSO RECEIVED 1.55 INCHES OF RAIN IN 25 MINUTES.
• Hail and Damaging Wind in South Dakota, August 8, 2009$211,000 · 4 in hail · 21 eventsThunderstorms caused large hail at numerous locations in southeast South Dakota, near and south of Interstate 90, during the late morning and early afternoon of August 8th. There was also one report of damaging thunderstorm winds.
• Tornadoes and Flash Flooding in South Dakota, June 16, 2009$125,000 · EF0 · 31 eventsA strong upper low pressure area brought several supercell thunderstorms which produced severe weather across parts of central and northeast South Dakota. Large hail up to 2 inches in diameter, several tornadoes, along with flash flooding occurred with these storms.
• Tornadoes and Hail in South Dakota, June 13, 2017EF1 · 59 eventsA large upper level low pressure trough lifting northeast over the region along with a surface cold front interacting with a warm and very humid air mass brought severe thunderstorms to the region.
• Tornadoes and Flash Flooding in South Dakota, June 18 to 19, 2014EF1 · 45 eventsA surface low pressure area in southeast South Dakota with a warm front extending to the southeast pushed north and brought numerous severe thunderstorms to parts of central and northeast South Dakota.
• Hail and Damaging Winds in South Dakota, July 1 to 27, 1999$32,000 · 1.75 in hail · 30 eventsSpotters reported power lines blown down and several cars were damaged by fallen tree branches.

Funnel Cloud everywhereEvery kind of event in South Dakota

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.