Storm History: Grant County, South Dakota
Every storm the National Weather Service has filed in Grant 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
- 566
- Deaths
- 3
- Injuries
- 4
- Damage
- $14 million
- Episodes
- 457
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 | 123 | 0 | 2 | $610,000 |
| Tornado | 74 | 0 | 0 | $462,000 |
| Blizzard | 70 | 0 | 0 | |
| Flash Flood | 44 | 0 | 0 | $410,000 |
| Extreme Cold/Wind Chill | 42 | 1 | 0 | |
| Heavy Snow | 41 | 0 | 0 | |
| High Wind | 40 | 0 | 0 | |
| Winter Storm | 35 | 1 | 1 | |
| Flood | 28 | 1 | 0 | $10 million |
| Drought | 16 | 0 | 0 | |
| Thunderstorm Wind | 15 | 0 | 0 | |
| Ice Storm | 9 | 0 | 0 | $1.8 million |
| Excessive Heat | 8 | 0 | 0 | |
| Winter Weather | 8 | 0 | 1 | |
| Cold/Wind Chill | 4 | 0 | 0 | |
| Lightning | 3 | 0 | 0 | $2,000 |
| Wildfire | 2 | 0 | 0 | |
| Dense Fog | 1 | 0 | 0 | |
| Heat | 1 | 0 | 0 | |
| Lakeshore Flood | 1 | 0 | 0 | |
| Freezing Fog | 1 | 0 | 0 |
The deadliest
The costliest
Damage within this county, in the dollars of its year.
- Flood, June 1, 2019
- Ice Storm, December 25, 2016
- Hail, July 7, 1994
- Flash Flood, June 11, 2008
- Flood, April 9, 2023
- Tornado, August 3, 1981
- Flood, April 7, 2001
- Tornado, June 21, 2013
- Flood, April 1, 2019
- Hail, May 24, 1994
- Tornado, July 5, 1994
- Flash Flood, July 13, 2013
- Tornado, August 28, 1955
- Flash Flood, March 22, 2009
- Hail, August 18, 2017
- Tornado, May 23, 1973
- Tornado, May 21, 1977
- Lightning, August 10, 2007
- Tornado, October 6, 1994
The largest hail
The largest stone in each episode, which may have fallen in a neighboring county of the same episode.
- Hail, July 28, 2025
- Hail, August 28, 2021
- Hail, June 21, 2015
- Hail, July 3, 2003
- Hail, June 27, 1990
- Hail, August 21, 1989
- Hail, August 21, 1987
- Hail, August 29, 1983
- Tornado, July 15, 1980
- Hail, July 2, 1960
- Tornado, August 14, 1957
- Hail, August 5, 2022
- Hail, June 11, 2017
- Flash Flood, June 14, 2006
- Hail, June 9, 2001
The strongest tornadoes
Every episode, newest first
- Thunderstorm Wind, June 15, 2026
- Heavy Snow, March 14, 2026
- Wildfire, March 12, 2026
- Heavy Snow, February 28, 2026
- Blizzard, February 17, 2026
- Extreme Cold/Wind Chill, January 22, 2026
- Blizzard, December 28, 2025
- Blizzard, December 17, 2025
- Heavy Snow, November 28, 2025
- Blizzard, November 25, 2025
- Flash Flood, August 21, 2025
- Flood, August 6, 2025
- Hail, July 28, 2025
- Flood, June 25, 2025
- Excessive Heat, June 20, 2025
- Flash Flood, June 12, 2025
- High Wind, May 15, 2025
- Thunderstorm Wind, May 15, 2025
- Winter Storm, April 1, 2025
- High Wind, March 14, 2025
- High Wind, February 28, 2025
- Extreme Cold/Wind Chill, February 17, 2025
- Extreme Cold/Wind Chill, January 18, 2025
- Winter Weather, December 9, 2024
- Drought, November 1, 2024
- Drought, October 22, 2024
- Excessive Heat, August 25, 2024
- Excessive Heat, August 2, 2024
- Excessive Heat, July 13, 2024
- Hail, June 18, 2024
- Flood, May 7, 2024
- High Wind, April 6, 2024
- Heavy Snow, March 24, 2024
- Extreme Cold/Wind Chill, January 12, 2024
- Ice Storm, December 25, 2023
- Freezing Fog, December 19, 2023
- Excessive Heat, September 2, 2023
- Drought, September 1, 2023
- Excessive Heat, August 21, 2023
- Drought, August 1, 2023
- Drought, July 25, 2023
- Tornado, May 6, 2023
- High Wind, April 29, 2023
- High Wind, April 16, 2023
- Flood, April 11, 2023
- Flood, April 11, 2023
- Flood, April 9, 2023
- Flood, April 9, 2023
- Winter Weather, April 4, 2023
- Heavy Snow, April 3, 2023
- Ice Storm, March 31, 2023
- Blizzard, March 31, 2023
- Winter Weather, March 16, 2023
- Winter Weather, March 12, 2023
- Heavy Snow, March 9, 2023
- Extreme Cold/Wind Chill, February 24, 2023
- Blizzard, February 22, 2023
- Winter Weather, February 20, 2023
- Blizzard, February 14, 2023
- Extreme Cold/Wind Chill, January 30, 2023
- Winter Weather, January 16, 2023
- Heavy Snow, January 2, 2023
- Blizzard, December 21, 2022
- Extreme Cold/Wind Chill, December 21, 2022
- Blizzard, December 14, 2022
- Ice Storm, December 12, 2022
- High Wind, November 6, 2022
- Hail, September 8, 2022
- Hail, August 5, 2022
- Hail, June 20, 2022
- Tornado, May 30, 2022
- Tornado, May 12, 2022
- Tornado, April 22, 2022
- High Wind, April 12, 2022
- High Wind, April 5, 2022
- High Wind, March 25, 2022
- Extreme Cold/Wind Chill, February 22, 2022
- High Wind, February 1, 2022
- Extreme Cold/Wind Chill, January 25, 2022
- Extreme Cold/Wind Chill, January 20, 2022
- High Wind, January 18, 2022
- Winter Storm, January 14, 2022
- Extreme Cold/Wind Chill, January 4, 2022
- Blizzard, January 4, 2022
- Extreme Cold/Wind Chill, January 1, 2022
- Extreme Cold/Wind Chill, December 28, 2021
- Heavy Snow, December 26, 2021
- High Wind, December 15, 2021
- High Wind, December 5, 2021
- High Wind, November 13, 2021
- Blizzard, November 11, 2021
- Hail, August 28, 2021
- Drought, August 1, 2021
- Drought, July 1, 2021
- High Wind, March 29, 2021
- Heavy Snow, March 10, 2021
- Extreme Cold/Wind Chill, February 6, 2021
- Blizzard, January 14, 2021
- Blizzard, December 23, 2020
- High Wind, November 8, 2020
- Heavy Snow, October 20, 2020
- Hail, October 11, 2020
- Tornado, August 27, 2020
- Tornado, August 21, 2020
- Thunderstorm Wind, July 17, 2020
- Hail, June 4, 2020
- Extreme Cold/Wind Chill, February 12, 2020
- Blizzard, February 12, 2020
- Blizzard, January 21, 2020
- Blizzard, January 17, 2020
- Winter Storm, December 27, 2019
- Winter Storm, December 1, 2019
- Winter Storm, November 29, 2019
- High Wind, October 21, 2019
- Flood, August 3, 2019
- Flood, July 4, 2019
- Hail, June 4, 2019
- Flood, June 1, 2019
- Flood, May 1, 2019
- Blizzard, April 11, 2019
- Flood, April 1, 2019
- Flood, March 22, 2019
- Flood, March 22, 2019
- Blizzard, March 13, 2019
- Heavy Snow, March 9, 2019
- Extreme Cold/Wind Chill, March 2, 2019
- Blizzard, February 24, 2019
- Heavy Snow, February 19, 2019
- Extreme Cold/Wind Chill, February 8, 2019
- Blizzard, February 7, 2019
- Extreme Cold/Wind Chill, January 29, 2019
- Heavy Snow, January 27, 2019
- Heavy Snow, January 18, 2019
- Blizzard, December 31, 2018
- Blizzard, December 27, 2018
- Hail, July 10, 2018
- Tornado, June 24, 2018
- Hail, June 5, 2018
- Blizzard, April 13, 2018
- Heavy Snow, April 8, 2018
- Heavy Snow, March 23, 2018
- Heavy Snow, March 5, 2018
- Extreme Cold/Wind Chill, January 15, 2018
- Extreme Cold/Wind Chill, January 1, 2018
- Extreme Cold/Wind Chill, December 30, 2017
- Extreme Cold/Wind Chill, December 24, 2017
- Blizzard, December 4, 2017
- Hail, August 18, 2017
- Flash Flood, August 13, 2017
- Tornado, June 13, 2017
- Hail, June 11, 2017
- Heavy Snow, March 12, 2017
- High Wind, March 7, 2017
- Ice Storm, December 25, 2016
- Blizzard, December 25, 2016
- Extreme Cold/Wind Chill, December 17, 2016
- Heavy Snow, December 16, 2016
- Heavy Snow, December 10, 2016
- Blizzard, November 18, 2016
- Hail, August 10, 2016
- Excessive Heat, July 19, 2016
- Tornado, July 16, 2016
- Extreme Cold/Wind Chill, January 16, 2016
- Winter Storm, December 25, 2015
- Heavy Snow, December 1, 2015
- Heavy Snow, November 30, 2015
- High Wind, November 18, 2015
- High Wind, November 12, 2015
- High Wind, October 11, 2015
- Hail, August 9, 2015
- Tornado, July 17, 2015
- Flash Flood, July 5, 2015
- Hail, June 21, 2015
- Hail, June 9, 2015
- Blizzard, March 3, 2015
- Extreme Cold/Wind Chill, February 22, 2015
- Winter Weather, February 9, 2015
- Blizzard, January 8, 2015
- Blizzard, December 15, 2014
- Winter Weather, December 15, 2014
- Heavy Snow, November 9, 2014
- Tornado, August 9, 2014
- Hail, July 24, 2014
- Hail, July 21, 2014
- Tornado, June 18, 2014
- Hail, May 19, 2014
- Blizzard, March 31, 2014
- Heavy Snow, March 18, 2014
- Extreme Cold/Wind Chill, March 1, 2014
- Blizzard, February 13, 2014
- Cold/Wind Chill, January 26, 2014
- Blizzard, January 25, 2014
- Blizzard, January 23, 2014
- Blizzard, January 22, 2014
- Blizzard, January 18, 2014
- Blizzard, January 16, 2014
- Extreme Cold/Wind Chill, January 5, 2014
- Blizzard, January 3, 2014
- Extreme Cold/Wind Chill, December 28, 2013
- Extreme Cold/Wind Chill, December 22, 2013
- Extreme Cold/Wind Chill, December 6, 2013
- Winter Storm, December 3, 2013
- Hail, October 2, 2013
- Hail, August 31, 2013
- Flash Flood, July 13, 2013
- Tornado, June 21, 2013
- Flash Flood, June 20, 2013
- Flash Flood, June 19, 2013
- Ice Storm, April 14, 2013
- Winter Storm, April 8, 2013
- Blizzard, March 18, 2013
- Ice Storm, March 8, 2013
- Blizzard, February 18, 2013
- Blizzard, February 10, 2013
- Drought, February 1, 2013
- Extreme Cold/Wind Chill, January 30, 2013
- Extreme Cold/Wind Chill, January 20, 2013
- Drought, January 1, 2013
- Blizzard, December 9, 2012
- Winter Storm, December 8, 2012
- Drought, December 1, 2012
- Drought, November 1, 2012
- Drought, October 1, 2012
- Drought, September 1, 2012
- Flash Flood, June 20, 2012
- Tornado, June 17, 2012
- Hail, May 22, 2012
- Thunderstorm Wind, May 17, 2012
- Hail, May 2, 2012
- High Wind, April 15, 2012
- Winter Storm, February 28, 2012
- Extreme Cold/Wind Chill, January 18, 2012
- High Wind, September 20, 2011
- Hail, August 1, 2011
- Flash Flood, July 22, 2011
- Excessive Heat, July 15, 2011
- Flash Flood, July 10, 2011
- Tornado, May 8, 2011
- Flood, April 1, 2011
- Heavy Snow, March 22, 2011
- Flood, March 15, 2011
- Blizzard, March 11, 2011
- Blizzard, February 20, 2011
- Extreme Cold/Wind Chill, February 8, 2011
- Blizzard, February 2, 2011
- Extreme Cold/Wind Chill, February 1, 2011
- Heavy Snow, January 30, 2011
- Blizzard, January 1, 2011
- Blizzard, December 31, 2010
- Blizzard, December 30, 2010
Earlier years, state by state:
More
Tornadoes in Grant CountyEvery warning in Grant 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.