Storm History: Lyman County, South Dakota

Events

927

Deaths

4

Injuries

8

Damage

$5.4 million

Episodes

588

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 Lyman County

• Flash Flood, June 20, 20112 deaths · 1 event here
• High Wind, January 15, 20262 deaths · 62 kt wind · 2 events here

• Flood, June 1, 2019$5.0 million · 1 event here
• Tornado, August 5, 1987$250,000 · F2 · 5 events here
• Tornado, June 4, 19941 injured · $50,000 · F0 · 1 event here
• Flood, April 1, 2019$26,000 · 1 event here
• Tornado, July 25, 1960$25,000 · F2 · 1 event here
• Flood, February 10, 2009$5,000 · 1 event here
• Tornado, June 26, 1960$3,000 · F1 · 1 event here
• Tornado, July 6, 1987$3,000 · F1 · 9 events here
• Tornado, July 9, 1987$3,000 · F1 · 1 event here
• Tornado, July 20, 1982$120 · F1 · 4 events here

• Hail, June 11, 20034.5 in hail · 5 events here
• Hail, July 5, 20224 in hail · 2 events here
• Hail, July 28, 20253.5 in hail · 1 event here
• Hail, August 27, 20183.5 in hail · 2 events here
• Hail, August 6, 20193 in hail · 6 events here
• Hail, July 9, 19793 in hail · 1 event here
• Hail, September 3, 19633 in hail · 1 event here
• Hail, June 21, 20152.75 in hail · 4 events here
• Hail, July 16, 20082.75 in hail · 3 events here
• Hail, June 19, 19972.75 in hail · 6 events here
• Hail, July 25, 19842.75 in hail · 2 events here
• Tornado, May 18, 19772.75 in hail · 2 events here
• Hail, July 9, 20252.5 in hail · 2 events here
• Hail, July 26, 20232.5 in hail · 1 event here
• Hail, August 5, 20222.5 in hail · 5 events here

• Tornado, July 9, 19712 injured · F3 · 4 events here
• Tornado, July 1, 1973F3 · 1 event here
• Tornado, July 18, 1983F3 · 3 events here
• Tornado, June 16, 1992F3 · 1 event here
• Tornado, April 18, 1957F2 · 1 event here
• Tornado, July 25, 1960$25,000 · F2 · 1 event here
• Tornado, June 4, 1971F2 · 2 events here
• Tornado, May 19, 1974F2 · 1 event here
• Tornado, July 2, 1974F2 · 1 event here
• Tornado, August 5, 1987$250,000 · F2 · 5 events here
• Tornado, June 12, 2022EF2 · 5 events here

Every tornado in Lyman County, with its track

• Tornado, June 29, 20261.75 in hail · 2 events here
• High Wind, June 17, 202656 kt wind · 3 events here
• Thunderstorm Wind, June 15, 202660 kt wind · 4 events here
• Tornado, June 9, 20261 in hail · 1 event here
• Hail, June 4, 20261.75 in hail · 5 events here
• Flash Flood, June 3, 20261.75 in hail · 3 events here
• Hail, June 2, 20261.75 in hail · 2 events here
• Drought, June 1, 20261 event here
• Drought, May 1, 20261 event here
• Hail, April 22, 202662 kt wind · 1 event here
• Drought, April 1, 20261 event here
• Drought, March 24, 20261 event 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
• Blizzard, January 18, 20261 event here
• High Wind, January 15, 20262 deaths · 62 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
• Tornado, September 14, 2025EF1 · 1 event here
• Tornado, August 16, 2025EF0 · 3 events here
• Flood, August 13, 20251.5 in hail · 6 events here
• Flash Flood, August 3, 20251.25 in hail · 4 events here
• Hail, July 29, 20251 in hail · 6 events here
• Hail, July 28, 20253.5 in hail · 1 event here
• Hail, July 26, 20251.5 in hail · 1 event here
• Excessive Heat, July 26, 20251 event here
• Flood, July 23, 202570 kt wind · 4 events here
• Tornado, July 15, 2025EF0 · 1 event here
• Hail, July 14, 20251 in hail · 4 events here
• Hail, July 9, 20252.5 in hail · 2 events here
• Hail, June 27, 20251 in hail · 3 events here
• Excessive Heat, June 20, 20251 event here
• Hail, June 16, 20251.25 in hail · 1 event here
• High Wind, May 15, 202564 kt wind · 1 event here
• High Wind, April 28, 202560 kt wind · 1 event here
• Hail, April 27, 20251.25 in hail · 1 event here
• High Wind, April 13, 202554 kt wind · 1 event here
• Drought, April 1, 20251 event here
• High Wind, March 14, 202559 kt wind · 1 event here
• Blizzard, March 4, 20251 event here
• Drought, March 1, 20251 event here
• Tornado, February 24, 202556 kt wind · 1 event here
• Extreme Cold/Wind Chill, February 17, 20251 event here
• Drought, February 1, 20251 event here
• Extreme Cold/Wind Chill, January 18, 20251 event here
• Drought, January 1, 20251 event here
• Winter Weather, December 19, 20241 event here
• High Wind, December 19, 202459 kt wind · 1 event here
• Drought, December 1, 20241 event here
• High Wind, November 19, 202460 kt wind · 1 event here
• Drought, November 1, 20241 event here
• Drought, October 29, 20241 event here
• High Wind, October 5, 202452 kt wind · 1 event here
• Excessive Heat, August 2, 20241 event here
• Hail, July 28, 20241 in hail · 1 event here
• Excessive Heat, July 25, 20242 events here
• Excessive Heat, July 13, 20241 event here
• Thunderstorm Wind, July 13, 202495 kt wind · 9 events here
• Flash Flood, June 20, 20241 event here
• High Wind, May 24, 202455 kt wind · 1 event here
• High Wind, May 5, 202456 kt wind · 1 event here
• Flood, April 15, 20241 in hail · 1 event here
• Heavy Snow, April 1, 20241 event here
• Heavy Snow, March 24, 20241 event here
• High Wind, March 3, 202451 kt wind · 1 event here
• Heavy Snow, February 14, 20241 event here
• Flood, February 8, 20241 event here
• Extreme Cold/Wind Chill, January 12, 20241 event here
• Blizzard, December 25, 20231 event here
• High Wind, December 4, 202354 kt wind · 1 event here
• Flood, October 13, 20231 event here
• High Wind, October 12, 202351 kt wind · 1 event here
• Thunderstorm Wind, September 4, 202361 kt wind · 1 event here
• Excessive Heat, September 2, 20231 event here
• Excessive Heat, August 21, 20231 event here
• Hail, August 4, 20231.25 in hail · 3 events here
• Hail, July 26, 20232.5 in hail · 1 event here
• Tornado, July 18, 2023EF0 · 10 events here
• Drought, July 1, 20231 event here
• Hail, June 23, 20231.25 in hail · 3 events here
• Drought, June 13, 20231 event here
• High Wind, April 29, 202351 kt wind · 1 event here
• Heavy Snow, April 3, 20231 event here
• Blizzard, March 31, 20231 event here
• High Wind, March 1, 202353 kt wind · 1 event here
• Extreme Cold/Wind Chill, February 24, 20231 event here
• Blizzard, February 22, 20231 event here
• High Wind, February 14, 202355 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 30, 20231 event here
• Heavy Snow, January 18, 20231 event here
• Winter Weather, January 16, 20231 event here
• Heavy Snow, January 2, 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
• Drought, October 1, 20221 event here
• Thunderstorm Wind, August 24, 202252 kt wind · 1 event here
• Hail, August 5, 20222.5 in hail · 5 events here
• Excessive Heat, August 5, 20221 event here
• Thunderstorm Wind, August 2, 202269 kt wind · 2 events here
• Excessive Heat, July 18, 20221 event here
• Hail, July 5, 20224 in hail · 2 events here
• Flash Flood, July 3, 20221.25 in hail · 4 events here
• Thunderstorm Wind, July 2, 202260 kt wind · 1 event here
• Hail, June 29, 20221 in hail · 3 events here
• Hail, June 20, 20221.75 in hail · 1 event here
• Tornado, June 12, 2022EF2 · 5 events here
• Hail, June 11, 20221 in hail · 1 event here
• Hail, May 29, 20221 in hail · 1 event here
• Hail, May 11, 20221.75 in hail · 5 events here
• Drought, May 1, 20221 event here
• Tornado, April 22, 2022EF0 · 1 event here
• High Wind, April 12, 202263 kt wind · 1 event here
• High Wind, April 5, 202259 kt wind · 1 event here
• Drought, April 1, 20221 event here
• Drought, March 1, 20221 event here
• Extreme Cold/Wind Chill, February 22, 20221 event here
• Extreme Cold/Wind Chill, January 4, 20221 event here
• High Wind, January 4, 202257 kt wind · 1 event here
• High Wind, December 15, 202156 kt wind · 1 event here
• Heavy Snow, December 9, 20211 event here
• High Wind, December 5, 202153 kt wind · 1 event here
• High Wind, November 13, 202170 kt wind · 1 event here
• High Wind, November 11, 202165 kt wind · 1 event here
• Tornado, October 13, 2021EF0 · 1 event here
• Drought, October 1, 20211 event here
• High Wind, September 19, 202155 kt wind · 1 event here
• Drought, September 1, 20211 event here
• Thunderstorm Wind, August 26, 202156 kt wind · 1 event here
• Thunderstorm Wind, August 6, 202163 kt wind · 2 events here
• Drought, August 1, 20211 event here
• Hail, July 5, 20211.75 in hail · 1 event here
• Drought, July 1, 20211 event here
• Drought, June 1, 20211 event here
• Thunderstorm Wind, May 23, 202174 kt wind · 3 events here
• High Wind, April 12, 202157 kt wind · 1 event here
• High Wind, March 29, 202163 kt wind · 1 event here
• Heavy Snow, March 14, 20211 event here
• Extreme Cold/Wind Chill, February 6, 20211 event here
• High Wind, January 14, 202165 kt wind · 1 event here
• High Wind, December 22, 202060 kt wind · 1 event here
• High Wind, October 31, 202055 kt wind · 1 event here
• Heavy Snow, October 24, 20201 event here
• Tornado, August 27, 2020EF1 · 1 event here
• Thunderstorm Wind, August 8, 202067 kt wind · 1 event here
• Hail, July 31, 20201.75 in hail · 1 event here
• Thunderstorm Wind, July 6, 202072 kt wind · 4 events here
• Flood, July 4, 20201.25 in hail · 2 events here
• Tornado, June 20, 2020EF0 · 1 event here
• Hail, June 17, 20202.5 in hail · 3 events here
• High Wind, June 14, 202071 kt wind · 1 event here
• Tornado, June 7, 2020EF1 · 5 events here
• Thunderstorm Wind, June 6, 202082 kt wind · 1 event here
• High Wind, January 17, 202054 kt wind · 1 event here
• Winter Storm, December 1, 20191 event here
• Winter Storm, November 29, 20191 event here
• Hail, September 10, 20191 in hail · 1 event here
• Hail, August 17, 20191.75 in hail · 5 events here
• Tornado, August 15, 2019EF0 · 2 events here
• Tornado, August 9, 2019EF0 · 2 events here
• Hail, August 6, 20193 in hail · 6 events here
• Flash Flood, August 2, 20191 event here
• Hail, July 16, 20192 in hail · 2 events here
• Thunderstorm Wind, July 4, 201994 kt wind · 1 event here
• Hail, July 2, 20191.75 in hail · 4 events here
• Hail, June 30, 20191 in hail · 1 event here
• Funnel Cloud, June 21, 20191 event here
• Funnel Cloud, June 19, 20191 event here
• Flood, June 1, 2019$5.0 million · 1 event here
• Flood, May 26, 20191 event here
• Flood, May 22, 20191 event here
• Flood, May 22, 20191 event here
• Flood, May 1, 20191 event here
• Blizzard, April 11, 20191 event here
• Flood, April 1, 2019$26,000 · 1 event here
• Flood, March 22, 20191 event here
• Flood, March 14, 20191 event here
• Blizzard, March 13, 20191 event here
• Extreme Cold/Wind Chill, March 2, 20191 event here
• Heavy Snow, February 16, 20191 event here
• High Wind, January 27, 201963 kt wind · 1 event here
• Heavy Snow, January 18, 20191 event here
• Blizzard, December 27, 20181 event here
• High Wind, October 3, 201855 kt wind · 1 event here
• Hail, August 27, 20183.5 in hail · 2 events here
• Thunderstorm Wind, August 25, 201857 kt wind · 1 event here
• Tornado, August 23, 2018EF0 · 2 events here
• Hail, August 6, 20181.75 in hail · 2 events here
• Hail, August 4, 20181 in hail · 1 event here
• Tornado, July 18, 2018EF0 · 2 events here
• Hail, July 16, 20180.88 in hail · 2 events here
• Flash Flood, June 26, 20181.75 in hail · 11 events here
• Flood, June 21, 20181 event here
• Flood, June 10, 20181 in hail · 1 event here
• Hail, June 8, 201863 kt wind · 7 events here
• High Wind, June 5, 201861 kt wind · 1 event here
• Hail, May 23, 20181 in hail · 1 event here
• Flash Flood, May 17, 20181.75 in hail · 1 event here
• Blizzard, April 13, 20181 event here
• Winter Storm, March 16, 20181 event here
• Blizzard, March 5, 20181 event here
• Heavy Snow, February 18, 20181 event here
• Heavy Snow, February 8, 20181 event here
• Heavy Snow, January 21, 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
• High Wind, December 13, 201758 kt wind · 1 event here
• High Wind, December 11, 201753 kt wind · 1 event here
• Blizzard, December 4, 20171 event here
• Drought, October 1, 20171 event here
• Drought, September 1, 20171 event here
• Flash Flood, August 21, 20171.75 in hail · 5 events here
• Flash Flood, August 12, 20171.5 in hail · 3 events here
• Drought, August 1, 20171 event here
• Hail, July 25, 201756 kt wind · 1 event here
• Hail, July 17, 201763 kt wind · 4 events here
• Hail, July 5, 20171.75 in hail · 5 events here
• Drought, July 1, 20171 event here
• Thunderstorm Wind, June 21, 201754 kt wind · 1 event here
• Hail, June 11, 20172.5 in hail · 5 events here
• Drought, June 6, 20171 event here
• High Wind, March 7, 201764 kt wind · 1 event here
• Heavy Snow, January 24, 20171 event here
• High Wind, December 25, 201663 kt wind · 1 event here
• Extreme Cold/Wind Chill, December 17, 20161 event here
• Heavy Snow, December 16, 20161 event here
• Wildfire, November 5, 20161 event here
• Hail, September 8, 20161.25 in hail · 1 event here
• Hail, September 4, 20161.75 in hail · 1 event here
• Hail, August 14, 20162 in hail · 1 event here
• Hail, August 10, 20161.75 in hail · 1 event here
• Flash Flood, July 26, 20161.75 in hail · 3 events here
• Excessive Heat, July 19, 20161 event here
• Thunderstorm Wind, July 6, 201673 kt wind · 6 events here
• Hail, June 21, 20161.75 in hail · 1 event here
• Tornado, June 14, 2016EF0 · 1 event here
• Hail, May 26, 20161 in hail · 2 events here
• Hail, May 24, 201653 kt wind · 1 event here
• High Wind, February 19, 201672 kt wind · 1 event here
• High Wind, February 7, 201661 kt wind · 1 event here

Earlier years, state by state:

• 2015
• 2014
• 2013
• 2012
• 2011
• 2010
• 2009
• 2008
• 2007
• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1994
• 1992
• 1991
• 1990
• 1988
• 1987
• 1986
• 1985
• 1984
• 1983
• 1982
• 1981
• 1980
• 1979
• 1977
• 1976
• 1975
• 1974
• 1973
• 1972
• 1971
• 1970
• 1969
• 1967
• 1963
• 1962
• 1960
• 1958
• 1957

Tornadoes in Lyman CountyEvery warning in Lyman 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.