Storm History: Clay County, South Dakota
Every storm the National Weather Service has filed in Clay County, South Dakota: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.
The record
- Events
- 708
- Deaths
- 0
- Injuries
- 3
- Damage
- $76 million
- Episodes
- 577
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.
Every year
By kind of event
Counted under the kind that heads each episode.
| Kind of event | Events | Deaths | Injuries | Damage |
|---|---|---|---|---|
| Hail | 158 | 0 | 0 | $295,000 |
| Tornado | 96 | 0 | 0 | $2.8 million |
| Drought | 57 | 0 | 0 | $38 million |
| Winter Weather | 56 | 0 | 1 | |
| Flash Flood | 53 | 0 | 0 | $415,000 |
| Winter Storm | 47 | 0 | 0 | |
| Flood | 46 | 0 | 0 | $34 million |
| Blizzard | 44 | 0 | 0 | $81,000 |
| High Wind | 41 | 0 | 0 | $90,000 |
| Thunderstorm Wind | 38 | 0 | 2 | $526,000 |
| Excessive Heat | 22 | 0 | 0 | |
| Heavy Snow | 14 | 0 | 0 | |
| Extreme Cold/Wind Chill | 14 | 0 | 0 | |
| Cold/Wind Chill | 10 | 0 | 0 | |
| Heat | 6 | 0 | 0 | |
| Ice Storm | 3 | 0 | 0 | $20,000 |
| Lightning | 1 | 0 | 0 | $20,000 |
| Wildfire | 1 | 0 | 0 | |
| Strong Wind | 1 | 0 | 0 |
The deadliest
None recorded.
The costliest
Damage within this county, in the dollars of its year.
- Flood, June 1, 2019
- Drought, July 1, 2022
- Flood, June 20, 2024
- Drought, August 1, 2022
- Tornado, June 16, 1990
- Drought, July 1, 2023
- Drought, September 1, 2022
- Drought, June 1, 2022
- Drought, July 1, 2021
- Drought, August 1, 2021
- Drought, June 1, 2021
- Drought, September 15, 2020
- Flood, March 13, 2019
- Thunderstorm Wind, July 27, 1997
- Flash Flood, September 22, 2010
- Flood, April 1, 2001
- Drought, September 1, 2021
- Drought, May 1, 2022
- Tornado, May 29, 2008
- Hail, June 24, 2023
The largest hail
The largest stone in each episode, which may have fallen in a neighboring county of the same episode.
- Hail, August 21, 2007
- Hail, June 13, 1981
- Hail, June 21, 1969
- Flash Flood, September 22, 2010
- Flash Flood, July 6, 2020
- Hail, June 29, 2017
- Hail, August 16, 1986
- Hail, August 25, 1980
- Flash Flood, July 8, 2009
- Hail, May 24, 2026
- Hail, July 7, 2025
- Hail, October 23, 2022
- Hail, June 20, 2014
- Hail, August 10, 2013
- Hail, May 28, 1988
The strongest tornadoes
- Tornado, May 8, 1965
- Tornado, June 7, 1965
- Tornado, June 15, 1970
- Tornado, July 18, 1983
- Tornado, June 16, 1992
- Tornado, September 20, 1955
- Tornado, June 22, 1964
- Tornado, May 22, 1966
- Tornado, August 16, 1967
- Tornado, September 26, 1981
- Tornado, June 11, 1984
- Tornado, April 20, 1985
- Tornado, April 26, 1986
- Tornado, July 28, 1986
- Tornado, July 11, 1987
Every episode, newest first
- Excessive Heat, June 29, 2026
- Thunderstorm Wind, June 27, 2026
- Drought, June 1, 2026
- Tornado, May 31, 2026
- Hail, May 24, 2026
- Drought, May 1, 2026
- Drought, April 1, 2026
- Blizzard, March 15, 2026
- High Wind, March 12, 2026
- Drought, March 1, 2026
- Drought, February 24, 2026
- High Wind, February 17, 2026
- High Wind, January 21, 2026
- High Wind, January 16, 2026
- High Wind, December 18, 2025
- Cold/Wind Chill, December 13, 2025
- High Wind, December 9, 2025
- Winter Storm, December 6, 2025
- Winter Storm, November 28, 2025
- High Wind, November 25, 2025
- Excessive Heat, August 15, 2025
- Excessive Heat, August 8, 2025
- Thunderstorm Wind, July 29, 2025
- Tornado, July 28, 2025
- Excessive Heat, July 27, 2025
- Excessive Heat, July 21, 2025
- Hail, July 7, 2025
- Excessive Heat, June 20, 2025
- Hail, June 2, 2025
- High Wind, May 19, 2025
- Hail, April 28, 2025
- High Wind, April 14, 2025
- Winter Storm, March 6, 2025
- Blizzard, March 4, 2025
- Drought, March 1, 2025
- High Wind, February 28, 2025
- Extreme Cold/Wind Chill, February 17, 2025
- Extreme Cold/Wind Chill, February 13, 2025
- Winter Storm, February 10, 2025
- Drought, February 1, 2025
- Extreme Cold/Wind Chill, January 19, 2025
- Drought, January 1, 2025
- High Wind, December 19, 2024
- High Wind, December 4, 2024
- Drought, December 1, 2024
- High Wind, November 19, 2024
- Drought, November 1, 2024
- Drought, October 8, 2024
- Excessive Heat, August 25, 2024
- Heat, August 5, 2024
- Excessive Heat, August 2, 2024
- Excessive Heat, July 31, 2024
- Hail, July 29, 2024
- Excessive Heat, July 13, 2024
- Flash Flood, June 21, 2024
- Flood, June 20, 2024
- High Wind, June 6, 2024
- High Wind, May 21, 2024
- Hail, May 20, 2024
- Winter Weather, February 27, 2024
- Cold/Wind Chill, January 19, 2024
- Winter Weather, January 18, 2024
- Blizzard, January 11, 2024
- Winter Weather, January 10, 2024
- Winter Storm, January 7, 2024
- Blizzard, December 25, 2023
- Strong Wind, December 8, 2023
- Winter Weather, October 28, 2023
- Heat, September 2, 2023
- Excessive Heat, August 21, 2023
- Excessive Heat, August 19, 2023
- Excessive Heat, July 25, 2023
- Hail, July 12, 2023
- Tornado, July 3, 2023
- Drought, July 1, 2023
- Hail, June 24, 2023
- Drought, June 1, 2023
- Hail, May 11, 2023
- Hail, May 4, 2023
- High Wind, April 30, 2023
- Drought, April 1, 2023
- Winter Weather, March 22, 2023
- Winter Weather, March 16, 2023
- Winter Weather, March 8, 2023
- Drought, March 1, 2023
- Extreme Cold/Wind Chill, February 23, 2023
- Blizzard, February 21, 2023
- High Wind, February 14, 2023
- Drought, February 1, 2023
- Winter Storm, January 27, 2023
- Winter Storm, January 18, 2023
- Winter Storm, January 2, 2023
- Drought, January 1, 2023
- Blizzard, December 22, 2022
- Extreme Cold/Wind Chill, December 21, 2022
- Blizzard, December 13, 2022
- Winter Storm, December 8, 2022
- Drought, December 1, 2022
- Winter Weather, November 28, 2022
- Drought, November 1, 2022
- Hail, October 23, 2022
- Drought, October 1, 2022
- Drought, September 1, 2022
- Drought, August 1, 2022
- Drought, July 1, 2022
- Drought, June 1, 2022
- Tornado, May 30, 2022
- Tornado, May 29, 2022
- Hail, May 12, 2022
- Hail, May 11, 2022
- Drought, May 1, 2022
- Wildfire, April 23, 2022
- Drought, April 19, 2022
- High Wind, March 25, 2022
- Winter Storm, March 5, 2022
- Extreme Cold/Wind Chill, February 22, 2022
- Winter Weather, February 21, 2022
- Extreme Cold/Wind Chill, January 6, 2022
- Extreme Cold/Wind Chill, January 1, 2022
- Extreme Cold/Wind Chill, December 31, 2021
- High Wind, December 15, 2021
- Winter Storm, December 10, 2021
- Hail, September 16, 2021
- Drought, September 1, 2021
- Drought, August 1, 2021
- Hail, July 8, 2021
- Drought, July 1, 2021
- Thunderstorm Wind, June 11, 2021
- Drought, June 1, 2021
- Tornado, May 15, 2021
- Drought, April 1, 2021
- Winter Storm, March 14, 2021
- Drought, March 1, 2021
- Extreme Cold/Wind Chill, February 13, 2021
- Winter Weather, February 3, 2021
- Drought, February 1, 2021
- Winter Weather, January 25, 2021
- Winter Weather, January 23, 2021
- Blizzard, January 14, 2021
- Drought, January 1, 2021
- Winter Storm, December 29, 2020
- Blizzard, December 23, 2020
- Drought, December 1, 2020
- Winter Storm, November 10, 2020
- Drought, November 1, 2020
- Winter Storm, October 24, 2020
- Hail, October 11, 2020
- Drought, October 1, 2020
- Drought, September 15, 2020
- Flash Flood, July 28, 2020
- Flash Flood, July 6, 2020
- Thunderstorm Wind, July 3, 2020
- Hail, June 21, 2020
- Thunderstorm Wind, May 24, 2020
- Winter Storm, April 11, 2020
- Flood, April 1, 2020
- Winter Weather, March 19, 2020
- Flood, March 4, 2020
- Winter Weather, February 19, 2020
- Blizzard, February 12, 2020
- Extreme Cold/Wind Chill, February 12, 2020
- Cold/Wind Chill, January 18, 2020
- Blizzard, January 17, 2020
- Winter Weather, January 12, 2020
- Blizzard, December 28, 2019
- Winter Storm, November 28, 2019
- Winter Storm, November 26, 2019
- Flood, September 18, 2019
- Flood, September 11, 2019
- Flood, September 11, 2019
- Tornado, July 17, 2019
- Heat, June 30, 2019
- Excessive Heat, June 29, 2019
- Heat, June 28, 2019
- Flood, June 1, 2019
- Flood, June 1, 2019
- Flood, May 29, 2019
- Flood, May 23, 2019
- Flood, May 10, 2019
- Blizzard, April 10, 2019
- Flood, April 6, 2019
- Flood, March 13, 2019
- Flood, March 13, 2019
- Winter Weather, February 3, 2019
- Cold/Wind Chill, January 1, 2019
- Winter Weather, December 31, 2018
- Winter Weather, December 27, 2018
- Winter Storm, December 1, 2018
- Winter Weather, November 28, 2018
- Winter Weather, October 14, 2018
- Flood, September 20, 2018
- Tornado, August 4, 2018
- Heat, July 11, 2018
- Heat, July 4, 2018
- Flood, June 21, 2018
- Winter Storm, April 18, 2018
- Blizzard, April 13, 2018
- Winter Storm, April 2, 2018
- Flood, March 24, 2018
- Winter Weather, March 16, 2018
- Blizzard, March 5, 2018
- Winter Weather, February 24, 2018
- Winter Weather, February 22, 2018
- Winter Weather, February 19, 2018
- Winter Weather, February 8, 2018
- Winter Weather, February 5, 2018
- Blizzard, January 22, 2018
- Cold/Wind Chill, January 15, 2018
- Winter Weather, January 10, 2018
- Extreme Cold/Wind Chill, January 1, 2018
- Extreme Cold/Wind Chill, December 30, 2017
- Cold/Wind Chill, December 25, 2017
- Winter Weather, December 21, 2017
- Hail, July 3, 2017
- Hail, June 29, 2017
- Hail, June 13, 2017
- Hail, June 7, 2017
- Hail, April 15, 2017
- Blizzard, February 23, 2017
- Winter Storm, January 24, 2017
- Winter Weather, January 17, 2017
- High Wind, December 25, 2016
- Cold/Wind Chill, December 17, 2016
- Winter Storm, December 16, 2016
- Heavy Snow, December 10, 2016
- Blizzard, November 17, 2016
- Flash Flood, September 7, 2016
- Hail, August 16, 2016
- Excessive Heat, July 19, 2016
- Excessive Heat, June 10, 2016
- Hail, May 25, 2016
- Flood, April 28, 2016
- Heavy Snow, March 26, 2016
- Winter Storm, March 23, 2016
- High Wind, February 19, 2016
- Blizzard, February 2, 2016
- Winter Weather, January 7, 2016
- Winter Weather, December 28, 2015
- Winter Storm, December 25, 2015
- Winter Storm, December 1, 2015
- Winter Storm, November 30, 2015
- Tornado, August 9, 2015
- Thunderstorm Wind, June 22, 2015
- Flash Flood, June 6, 2015
- Winter Storm, February 1, 2015
- Winter Storm, January 31, 2015
- Winter Storm, January 5, 2015
- Blizzard, January 3, 2015
- Winter Weather, December 26, 2014
- Winter Storm, December 15, 2014
Earlier years, state by state:
More
Tornadoes in Clay CountyEvery warning in Clay County since 1986Every county in South Dakota
Sources
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.