Storm History: Walworth County, South Dakota

Events

663

Deaths

2

Injuries

5

Damage

$7.1 million

Episodes

469

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Walworth County

• Ice Storm, December 25, 20161 death · 1 event here
• Extreme Cold/Wind Chill, January 8, 20191 death · 1 event here

• Flood, June 1, 2019$3.2 million · 1 event here
• Flash Flood, May 17, 2018$3.0 million · 1.75 in hail · 7 events here
• Flood, April 1, 2019$292,000 · 1 event here
• Tornado, June 28, 1961$250,000 · F2 · 1 event here
• Tornado, June 15, 1978$250,000 · F2 · 2 events here
• Tornado, July 18, 1994$50,000 · F0 · 1 event here
• Tornado, July 3, 1959$25,000 · F2 · 1 event here
• Tornado, June 18, 19642 injured · $25,000 · F2 · 1 event here
• Tornado, July 29, 1970$25,000 · F1 · 1 event here
• Tornado, June 9, 1971$3,000 · F1 · 1 event here
• Thunderstorm Wind, June 15, 1994$500 · 1 event here
• Tornado, April 19, 1955$250 · F2 · 1 event here
• Tornado, August 6, 1986$250 · F1 · 1 event here
• Tornado, July 21, 1991$250 · F0 · 1 event here

• Hail, August 24, 20064.25 in hail · 1 event here
• Tornado, August 5, 20253 in hail · 1 event here
• Hail, August 6, 20193 in hail · 9 events here
• Hail, August 28, 20113 in hail · 1 event here
• Hail, August 27, 19833 in hail · 3 events here
• Hail, August 28, 20212.75 in hail · 3 events here
• Hail, July 30, 20162.75 in hail · 6 events here
• Hail, August 9, 20162.75 in hail · 4 events here
• Hail, June 21, 20152.75 in hail · 3 events here
• Flash Flood, August 10, 20062.75 in hail · 3 events here
• Hail, July 3, 20032.75 in hail · 1 event here
• Hail, August 26, 19982.75 in hail · 2 events here
• Hail, June 21, 19952.75 in hail · 1 event here
• Hail, July 25, 19862.75 in hail · 1 event here
• Hail, August 19, 19862.75 in hail · 1 event here

• Tornado, May 22, 2010EF4 · 7 events here
• Tornado, June 20, 1968F3 · 2 events here
• Tornado, August 3, 1981F3 · 1 event here
• Tornado, April 19, 1955$250 · F2 · 1 event here
• Tornado, July 3, 1959$25,000 · F2 · 1 event here
• Tornado, June 28, 1961$250,000 · F2 · 1 event here
• Tornado, June 18, 19642 injured · $25,000 · F2 · 1 event here
• Tornado, June 15, 1978$250,000 · F2 · 2 events here
• Tornado, July 18, 2001F2 · 1 event here
• Tornado, June 16, 2010EF2 · 4 events here
• Tornado, July 4, 2020EF2 · 3 events here
• Tornado, June 12, 2022EF2 · 1 event here

Every tornado in Walworth County, with its track

• Thunderstorm Wind, June 27, 202665 kt wind · 1 event here
• Thunderstorm Wind, June 15, 202660 kt wind · 1 event here
• Thunderstorm Wind, June 7, 202656 kt wind · 1 event here
• Hail, June 2, 20261.75 in hail · 1 event here
• Hail, April 22, 202662 kt wind · 3 events here
• Wildfire, March 12, 202670 kt wind · 1 event here
• Blizzard, February 17, 202663 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 22, 20261 event here
• High Wind, January 21, 202666 kt wind · 1 event here
• High Wind, January 15, 202662 kt wind · 2 events here
• Blizzard, December 17, 202572 kt wind · 1 event here
• High Wind, December 9, 202567 kt wind · 1 event here
• Blizzard, November 25, 202559 kt wind · 1 event here
• High Wind, October 26, 202554 kt wind · 1 event here
• High Wind, October 20, 202555 kt wind · 1 event here
• Tornado, September 14, 2025EF1 · 2 events here
• High Wind, September 4, 202556 kt wind · 1 event here
• Flood, August 13, 20251.5 in hail · 1 event here
• Thunderstorm Wind, August 8, 202561 kt wind · 2 events here
• Tornado, August 5, 20253 in hail · 1 event here
• Hail, July 26, 20251.5 in hail · 1 event here
• Flood, July 23, 202570 kt wind · 1 event here
• Hail, July 20, 20251 in hail · 1 event here
• Hail, July 14, 20251 in hail · 3 events here
• Hail, July 9, 20252.5 in hail · 6 events here
• Hail, June 16, 20251.25 in hail · 1 event here
• Thunderstorm Wind, June 7, 202556 kt wind · 1 event here
• High Wind, May 15, 202564 kt wind · 1 event here
• Wildfire, May 11, 202552 kt wind · 1 event here
• High Wind, April 28, 202554 kt wind · 1 event here
• High Wind, April 9, 202556 kt wind · 1 event here
• Drought, April 1, 20251 event here
• Drought, March 1, 20251 event here
• Extreme Cold/Wind Chill, February 17, 20251 event here
• Extreme Cold/Wind Chill, February 11, 20251 event here
• Drought, February 1, 20251 event here
• Extreme Cold/Wind Chill, January 18, 20251 event here
• High Wind, December 19, 202459 kt wind · 1 event here
• High Wind, November 19, 202460 kt wind · 1 event here
• Thunderstorm Wind, September 14, 202456 kt wind · 1 event here
• Excessive Heat, July 25, 20241 event here
• Tornado, June 27, 2024EF0 · 2 events here
• Hail, May 23, 20241.75 in hail · 1 event here
• Thunderstorm Wind, May 17, 202478 kt wind · 2 events here
• High Wind, April 15, 202467 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 12, 20241 event here
• Blizzard, December 25, 20231 event here
• Ice Storm, December 25, 20231 event here
• Excessive Heat, August 21, 20231 event here
• Hail, July 30, 20231.75 in hail · 2 events here
• Thunderstorm Wind, June 9, 202352 kt wind · 1 event here
• Dense Smoke, May 17, 20231 event here
• Winter Weather, April 4, 20231 event here
• Heavy Snow, April 3, 20231 event here
• Blizzard, March 31, 20231 event here
• Heavy Snow, March 7, 20231 event here
• Drought, March 1, 20231 event here
• Extreme Cold/Wind Chill, February 24, 20231 event here
• Blizzard, February 22, 20231 event here
• Drought, February 1, 20231 event here
• Extreme Cold/Wind Chill, January 30, 20231 event here
• Drought, January 1, 20231 event here
• Blizzard, December 21, 20221 event here
• Extreme Cold/Wind Chill, December 21, 20221 event here
• Blizzard, December 14, 20221 event here
• Heavy Snow, December 13, 20221 event here
• Drought, December 1, 20221 event here
• Ice Storm, November 9, 20221 event here
• Drought, November 1, 20221 event here
• High Wind, October 13, 202263 kt wind · 1 event here
• High Wind, October 12, 202264 kt wind · 1 event here
• Excessive Heat, August 5, 20221 event here
• High Wind, July 19, 202256 kt wind · 1 event here
• Excessive Heat, July 18, 20221 event here
• Hail, June 24, 20222.5 in hail · 1 event here
• Thunderstorm Wind, June 19, 202261 kt wind · 3 events here
• Tornado, June 12, 2022EF2 · 1 event here
• Tornado, April 22, 2022EF0 · 2 events here
• High Wind, April 12, 202263 kt wind · 1 event here
• High Wind, April 5, 202259 kt wind · 1 event here
• Extreme Cold/Wind Chill, February 22, 20221 event here
• High Wind, February 1, 202258 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 4, 20221 event here
• Extreme Cold/Wind Chill, January 1, 20221 event here
• Extreme Cold/Wind Chill, December 28, 20211 event here
• High Wind, November 13, 202170 kt wind · 1 event here
• High Wind, November 11, 202165 kt wind · 1 event here
• Drought, October 1, 20211 event here
• Drought, September 1, 20211 event here
• Hail, August 28, 20212.75 in hail · 3 events here
• Drought, August 1, 20211 event here
• Hail, July 26, 20211 in hail · 1 event here
• Drought, July 1, 20211 event here
• Drought, June 1, 20211 event here
• Drought, May 1, 20211 event here
• Drought, April 1, 20211 event here
• High Wind, March 29, 202163 kt wind · 1 event here
• Drought, March 1, 20211 event here
• Drought, February 23, 20211 event here
• Extreme Cold/Wind Chill, February 6, 20211 event here
• Freezing Fog, February 1, 20211 event here
• High Wind, January 14, 202165 kt wind · 1 event here
• High Wind, December 22, 202060 kt wind · 1 event here
• Heavy Snow, October 21, 20201 event here
• Hail, July 31, 20201.75 in hail · 6 events here
• Hail, July 10, 20202 in hail · 1 event here
• High Wind, July 7, 202069 kt wind · 1 event here
• Flood, July 4, 20201.25 in hail · 2 events here
• Tornado, July 4, 2020EF2 · 3 events here
• Tornado, June 7, 2020EF1 · 2 events here
• Thunderstorm Wind, June 6, 202082 kt wind · 1 event here
• Heavy Snow, April 1, 20201 event here
• Extreme Cold/Wind Chill, February 12, 20201 event here
• Blizzard, January 17, 20201 event here
• Blizzard, December 29, 20191 event here
• Winter Storm, December 27, 20191 event here
• Winter Storm, December 1, 20191 event here
• Winter Storm, November 29, 20191 event here
• Heavy Snow, October 10, 20191 event here
• Hail, August 6, 20193 in hail · 9 events here
• Hail, July 16, 20192 in hail · 6 events here
• Hail, June 26, 201952 kt wind · 1 event here
• Flood, June 1, 2019$3.2 million · 1 event here
• Flood, May 1, 20191 event here
• Blizzard, April 11, 20191 event here
• Flood, April 1, 2019$292,000 · 1 event here
• Flood, March 22, 20191 event here
• Blizzard, March 13, 20191 event here
• Heavy Snow, March 9, 20191 event here
• Extreme Cold/Wind Chill, March 2, 20191 event here
• Heavy Snow, February 16, 20191 event here
• Extreme Cold/Wind Chill, February 8, 20191 event here
• Heavy Snow, February 6, 20191 event here
• Extreme Cold/Wind Chill, January 29, 20191 event here
• High Wind, January 27, 201963 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 8, 20191 death · 1 event here
• Blizzard, December 27, 20181 event here
• Hail, September 1, 20181 in hail · 1 event here
• Tornado, August 23, 2018EF0 · 2 events here
• Flash Flood, July 3, 201883 kt wind · 5 events here
• Hail, June 5, 20181.75 in hail · 4 events here
• Tornado, June 1, 2018EF0 · 3 events here
• Flash Flood, May 17, 2018$3.0 million · 1.75 in hail · 7 events here
• Heavy Snow, April 8, 20181 event here
• Blizzard, March 5, 20181 event here
• Extreme Cold/Wind Chill, January 15, 20181 event here
• Extreme Cold/Wind Chill, January 1, 20181 event here
• Extreme Cold/Wind Chill, December 30, 20171 event here
• Extreme Cold/Wind Chill, December 26, 20171 event here
• Blizzard, December 4, 20171 event here
• Drought, October 1, 20171 event here
• Tornado, September 19, 2017EF1 · 2 events here
• Drought, September 1, 20171 event here
• Drought, August 1, 20171 event here
• Hail, July 21, 20172.5 in hail · 1 event here
• Thunderstorm Wind, July 20, 201764 kt wind · 1 event here
• Hail, July 19, 20171 in hail · 4 events here
• Thunderstorm Wind, July 18, 201758 kt wind · 1 event here
• Drought, July 1, 20171 event here
• Hail, June 13, 20171 in hail · 1 event here
• Drought, June 6, 20171 event here
• High Wind, March 7, 201764 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 3, 20171 event here
• Ice Storm, December 25, 20161 death · 1 event here
• Blizzard, December 25, 20161 event here
• Extreme Cold/Wind Chill, December 17, 20161 event here
• Blizzard, December 5, 20161 event here
• Hail, August 15, 20161.25 in hail · 2 events here
• Hail, August 10, 20161.75 in hail · 2 events here
• Hail, August 9, 20162.75 in hail · 4 events here
• Hail, August 8, 20161 in hail · 2 events here
• Hail, July 30, 20162.75 in hail · 6 events here
• Excessive Heat, July 19, 20161 event here
• Tornado, July 16, 2016EF0 · 4 events here
• Thunderstorm Wind, July 11, 201661 kt wind · 1 event here
• Thunderstorm Wind, July 10, 201665 kt wind · 2 events here
• Thunderstorm Wind, July 6, 201673 kt wind · 1 event here
• Hail, May 30, 20162 in hail · 4 events here
• Winter Storm, February 13, 20161 event here
• High Wind, February 7, 201661 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 16, 20161 event here
• Winter Storm, December 15, 20151 event here
• High Wind, November 18, 201567 kt wind · 1 event here
• High Wind, October 11, 201565 kt wind · 1 event here
• Hail, August 9, 20152 in hail · 1 event here
• Hail, August 5, 20151 in hail · 1 event here
• Hail, July 4, 20152.5 in hail · 1 event here
• Hail, June 21, 20152.75 in hail · 3 events here
• Winter Weather, February 9, 20151 event here
• Hail, August 20, 20141 in hail · 1 event here
• High Wind, July 24, 201455 kt wind · 1 event here
• Tornado, June 21, 2014EF0 · 3 events here
• Tornado, June 18, 2014EF1 · 3 events here
• Hail, June 13, 20141.75 in hail · 2 events here
• Blizzard, March 31, 20141 event here
• Extreme Cold/Wind Chill, March 1, 20141 event here
• High Wind, January 25, 201461 kt wind · 1 event here
• Blizzard, January 25, 20141 event here
• High Wind, January 16, 201460 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 5, 20141 event here
• Extreme Cold/Wind Chill, December 22, 20131 event here
• Extreme Cold/Wind Chill, December 6, 20131 event here
• Flash Flood, September 18, 20132 in hail · 1 event here
• Thunderstorm Wind, September 8, 201361 kt wind · 1 event here
• Thunderstorm Wind, September 8, 201361 kt wind · 1 event here
• Flash Flood, July 13, 201355 kt wind · 3 events here
• Hail, July 8, 20131 in hail · 1 event here
• Tornado, June 25, 2013EF0 · 2 events here
• High Wind, June 21, 201363 kt wind · 1 event here
• Drought, May 1, 20131 event here
• Winter Storm, April 13, 20131 event here
• Drought, April 1, 20131 event here
• Drought, March 1, 20131 event here
• Blizzard, February 10, 20131 event here
• Drought, February 1, 20131 event here
• Extreme Cold/Wind Chill, January 30, 20131 event here
• Winter Storm, January 28, 20131 event here
• Drought, January 1, 20131 event here
• Blizzard, December 9, 20121 event here
• Drought, December 1, 20121 event here
• Drought, November 1, 20121 event here
• High Wind, October 17, 201267 kt wind · 1 event here
• Tornado, August 3, 2012EF0 · 28 events here
• Hail, July 31, 20121.5 in hail · 1 event here
• Hail, June 9, 20122.5 in hail · 1 event here
• Flash Flood, June 7, 201267 kt wind · 2 events here
• Hail, May 22, 20121.75 in hail · 1 event here
• Blizzard, February 28, 20121 event here
• Extreme Cold/Wind Chill, January 18, 20121 event here
• High Wind, October 7, 201159 kt wind · 1 event here
• High Wind, September 20, 201165 kt wind · 1 event here
• Hail, August 28, 20113 in hail · 1 event here
• Hail, August 18, 20111.75 in hail · 1 event here
• Hail, August 1, 20111 in hail · 2 events here
• Tornado, July 26, 2011EF0 · 1 event here
• Flash Flood, July 22, 20111.75 in hail · 3 events here
• Excessive Heat, July 15, 20111 event here
• Flood, June 20, 20111 event here
• Tornado, June 14, 2011EF0 · 1 event here
• Hail, June 2, 20112.5 in hail · 1 event here
• High Wind, April 30, 201160 kt wind · 1 event here
• Winter Storm, April 14, 20111 event here
• Blizzard, March 11, 20111 event here
• Blizzard, February 20, 20111 event here
• Extreme Cold/Wind Chill, February 8, 20111 event here
• Extreme Cold/Wind Chill, February 1, 20111 event here
• Blizzard, January 1, 20111 event here
• Blizzard, December 31, 20101 event here
• Blizzard, December 30, 20101 event here
• High Wind, October 26, 201065 kt wind · 1 event here

Earlier years, state by state:

• 2010
• 2009
• 2008
• 2007
• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1994
• 1993
• 1992
• 1991
• 1990
• 1989
• 1988
• 1987
• 1986
• 1985
• 1984
• 1983
• 1982
• 1981
• 1980
• 1978
• 1977
• 1975
• 1973
• 1971
• 1970
• 1969
• 1968
• 1964
• 1963
• 1961
• 1960
• 1959
• 1955

Tornadoes in Walworth CountyEvery warning in Walworth County since 1986Every county 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.