Storm History: Brown County, South Dakota
Every storm the National Weather Service has filed in Brown 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
- 1,437
- Deaths
- 10
- Injuries
- 44
- Damage
- $54 million
- Episodes
- 854
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 | 451 | 0 | 0 | $56,000 |
| Tornado | 370 | 4 | 33 | $4.3 million |
| Flood | 170 | 0 | 0 | $44 million |
| Thunderstorm Wind | 79 | 0 | 0 | $500 |
| Flash Flood | 79 | 0 | 0 | $5.0 million |
| Blizzard | 50 | 1 | 6 | |
| High Wind | 49 | 0 | 0 | |
| Extreme Cold/Wind Chill | 44 | 1 | 0 | |
| Heavy Snow | 38 | 0 | 0 | |
| Drought | 30 | 0 | 0 | |
| Winter Storm | 28 | 1 | 4 | |
| Wildfire | 11 | 0 | 0 | $35,000 |
| Excessive Heat | 11 | 0 | 0 | |
| Winter Weather | 7 | 0 | 0 | |
| Ice Storm | 6 | 0 | 0 | |
| Cold/Wind Chill | 6 | 2 | 0 | |
| Heat | 2 | 0 | 0 | |
| Funnel Cloud | 2 | 0 | 0 | |
| Lightning | 1 | 0 | 0 | $2,000 |
| Dust Storm | 1 | 0 | 0 | |
| Dense Fog | 1 | 1 | 1 | |
| Dense Smoke | 1 | 0 | 0 |
The deadliest
The costliest
Damage within this county, in the dollars of its year.
- Flood, June 1, 2019
- Flood, July 1, 2005
- Flash Flood, May 5, 2007
- Tornado, June 19, 1979
- Tornado, May 31, 1996
- Flood, April 1, 2019
- Flood, May 11, 1998
- Flood, April 9, 2023
- Tornado, July 31, 1966
- Tornado, June 25, 1969
- Tornado, June 15, 1978
- Flood, March 20, 2009
- Tornado, June 16, 2009
- Flood, March 23, 2009
- Flood, April 1, 2009
- Hail, August 28, 1993
- Flood, May 1, 2022
- Wildfire, March 9, 2025
- Tornado, June 28, 1955
- Tornado, May 20, 1965
The largest hail
The largest stone in each episode, which may have fallen in a neighboring county of the same episode.
The strongest tornadoes
- Tornado, June 23, 2002
- Tornado, May 22, 2010
- Tornado, July 31, 1966
- Tornado, July 1, 1973
- Tornado, June 21, 1961
- Tornado, May 20, 1965
- Tornado, June 20, 1968
- Tornado, June 25, 1969
- Tornado, June 15, 1970
- Tornado, May 12, 1984
- Tornado, June 16, 1992
- Tornado, May 31, 1996
- Tornado, April 19, 1955
- Tornado, June 28, 1955
- Tornado, June 28, 1961
Every episode, newest first
- Tornado, June 29, 2026
- Thunderstorm Wind, June 27, 2026
- Thunderstorm Wind, June 15, 2026
- Tornado, June 9, 2026
- Flash Flood, June 3, 2026
- High Wind, May 14, 2026
- High Wind, April 8, 2026
- Heavy Snow, April 3, 2026
- Wildfire, March 12, 2026
- Heavy Snow, February 28, 2026
- Blizzard, February 17, 2026
- Extreme Cold/Wind Chill, January 22, 2026
- High Wind, January 15, 2026
- Blizzard, December 17, 2025
- High Wind, December 9, 2025
- Heavy Snow, November 28, 2025
- Blizzard, November 25, 2025
- Flood, October 1, 2025
- Thunderstorm Wind, September 9, 2025
- Flood, September 1, 2025
- Flood, September 1, 2025
- Flood, August 26, 2025
- Flood, August 17, 2025
- Flash Flood, August 15, 2025
- Flood, August 10, 2025
- Thunderstorm Wind, August 8, 2025
- Tornado, August 5, 2025
- Excessive Heat, July 26, 2025
- Hail, July 22, 2025
- Hail, July 20, 2025
- Tornado, July 15, 2025
- Hail, July 14, 2025
- Tornado, July 13, 2025
- Hail, July 9, 2025
- Flash Flood, July 4, 2025
- Thunderstorm Wind, June 29, 2025
- Excessive Heat, June 20, 2025
- High Wind, May 15, 2025
- Wildfire, May 11, 2025
- Drought, April 1, 2025
- Winter Storm, April 1, 2025
- Wildfire, March 30, 2025
- Wildfire, March 9, 2025
- Drought, March 1, 2025
- Extreme Cold/Wind Chill, February 17, 2025
- Extreme Cold/Wind Chill, February 11, 2025
- Drought, February 1, 2025
- Extreme Cold/Wind Chill, January 18, 2025
- High Wind, November 19, 2024
- Drought, November 1, 2024
- Drought, October 22, 2024
- Excessive Heat, August 25, 2024
- Excessive Heat, August 2, 2024
- Hail, July 31, 2024
- Hail, July 9, 2024
- Hail, July 6, 2024
- Thunderstorm Wind, June 17, 2024
- Flash Flood, June 2, 2024
- Hail, May 23, 2024
- Thunderstorm Wind, May 17, 2024
- High Wind, April 15, 2024
- High Wind, April 6, 2024
- Heavy Snow, March 24, 2024
- Extreme Cold/Wind Chill, January 12, 2024
- Ice Storm, December 25, 2023
- Hail, September 29, 2023
- Excessive Heat, September 2, 2023
- Flood, September 1, 2023
- Dense Smoke, August 29, 2023
- Excessive Heat, August 21, 2023
- Tornado, August 10, 2023
- Thunderstorm Wind, August 9, 2023
- Flood, August 1, 2023
- Hail, July 26, 2023
- Flood, July 1, 2023
- Flood, June 1, 2023
- Thunderstorm Wind, June 1, 2023
- Flood, May 1, 2023
- Thunderstorm Wind, April 19, 2023
- Flood, April 17, 2023
- Flood, April 15, 2023
- Flood, April 13, 2023
- Flood, April 9, 2023
- Winter Weather, April 4, 2023
- Heavy Snow, April 3, 2023
- Blizzard, March 31, 2023
- Heavy Snow, March 5, 2023
- Heavy Snow, March 1, 2023
- Extreme Cold/Wind Chill, February 24, 2023
- Blizzard, February 22, 2023
- High Wind, February 14, 2023
- Extreme Cold/Wind Chill, January 30, 2023
- Winter Weather, January 16, 2023
- Blizzard, December 21, 2022
- Extreme Cold/Wind Chill, December 21, 2022
- Blizzard, December 14, 2022
- Heavy Snow, December 13, 2022
- Ice Storm, November 9, 2022
- High Wind, November 6, 2022
- Drought, November 1, 2022
- Drought, October 1, 2022
- Thunderstorm Wind, September 15, 2022
- Flood, September 1, 2022
- Hail, August 18, 2022
- Hail, August 5, 2022
- Excessive Heat, August 5, 2022
- Flood, August 1, 2022
- Hail, July 23, 2022
- Hail, July 21, 2022
- Excessive Heat, July 18, 2022
- Flash Flood, July 3, 2022
- Flood, July 1, 2022
- Hail, June 24, 2022
- Hail, June 20, 2022
- Hail, June 14, 2022
- Tornado, June 12, 2022
- Flood, June 1, 2022
- High Wind, May 13, 2022
- Tornado, May 12, 2022
- Flood, May 7, 2022
- Tornado, May 7, 2022
- Flood, May 1, 2022
- Flood, May 1, 2022
- Flood, April 30, 2022
- Flood, April 28, 2022
- Flood, April 28, 2022
- Tornado, April 22, 2022
- High Wind, April 12, 2022
- High Wind, April 5, 2022
- Extreme Cold/Wind Chill, February 22, 2022
- Heavy Snow, February 20, 2022
- Wildfire, February 18, 2022
- Extreme Cold/Wind Chill, February 3, 2022
- Extreme Cold/Wind Chill, February 2, 2022
- High Wind, February 1, 2022
- High Wind, January 18, 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 17, 2021
- High Wind, December 15, 2021
- High Wind, November 13, 2021
- High Wind, November 11, 2021
- Drought, October 1, 2021
- High Wind, September 19, 2021
- Drought, September 1, 2021
- Hail, August 28, 2021
- Hail, August 26, 2021
- Hail, August 23, 2021
- Tornado, August 22, 2021
- Hail, August 7, 2021
- Drought, August 1, 2021
- Thunderstorm Wind, July 23, 2021
- Drought, July 1, 2021
- Hail, June 10, 2021
- Drought, June 1, 2021
- Thunderstorm Wind, May 23, 2021
- Drought, May 1, 2021
- Drought, April 1, 2021
- High Wind, March 29, 2021
- Heavy Snow, March 10, 2021
- Extreme Cold/Wind Chill, February 6, 2021
- High Wind, January 14, 2021
- High Wind, December 22, 2020
- High Wind, November 8, 2020
- Heavy Snow, October 21, 2020
- Heavy Snow, October 20, 2020
- Flood, September 1, 2020
- Hail, August 23, 2020
- Flood, August 1, 2020
- Hail, July 25, 2020
- Flash Flood, July 24, 2020
- Flood, July 24, 2020
- Thunderstorm Wind, July 17, 2020
- Flood, July 4, 2020
- Tornado, July 4, 2020
- High Wind, July 2, 2020
- Flood, July 1, 2020
- Tornado, June 20, 2020
- Hail, June 17, 2020
- Tornado, June 7, 2020
- Hail, June 4, 2020
- Flood, June 1, 2020
- Flood, May 1, 2020
- Winter Weather, April 9, 2020
- Hail, April 6, 2020
- Flood, April 1, 2020
- Flood, March 1, 2020
- Extreme Cold/Wind Chill, February 12, 2020
- Flood, February 1, 2020
- Blizzard, January 17, 2020
- Flood, January 1, 2020
- Blizzard, December 29, 2019
- Winter Storm, December 27, 2019
- Flood, December 1, 2019
- Winter Storm, December 1, 2019
- Winter Storm, November 29, 2019
- Flood, November 1, 2019
- Heavy Snow, October 10, 2019
- Flood, October 1, 2019
- Dense Fog, September 15, 2019
- Flood, September 1, 2019
- Hail, August 17, 2019
- Flood, August 1, 2019
- Hail, July 16, 2019
- Flood, July 1, 2019
- Flood, June 21, 2019
- Hail, June 4, 2019
- Flood, June 1, 2019
- Flood, June 1, 2019
- Flood, May 1, 2019
- Flood, May 1, 2019
- Blizzard, April 11, 2019
- Flood, April 3, 2019
- Flood, April 2, 2019
- Flood, April 1, 2019
- Flood, April 1, 2019
- Flood, April 1, 2019
- Flood, April 1, 2019
- Flood, April 1, 2019
- Flood, March 30, 2019
- Flood, March 22, 2019
- Blizzard, March 13, 2019
- Heavy Snow, March 9, 2019
- Extreme Cold/Wind Chill, March 2, 2019
- Heavy Snow, February 19, 2019
- Extreme Cold/Wind Chill, February 8, 2019
- Blizzard, February 7, 2019
- Extreme Cold/Wind Chill, January 29, 2019
- Blizzard, January 27, 2019
- Heavy Snow, January 18, 2019
- Blizzard, December 31, 2018
- Blizzard, December 27, 2018
- Heavy Snow, October 10, 2018
- High Wind, October 3, 2018
- Drought, October 1, 2018
- Drought, September 1, 2018
- Hail, August 27, 2018
- Hail, August 26, 2018
- Drought, August 14, 2018
- Hail, July 10, 2018
- Flash Flood, July 3, 2018
- Flash Flood, July 2, 2018
- Drought, July 1, 2018
- Hail, June 5, 2018
- Drought, June 5, 2018
- Dust Storm, June 1, 2018
- Flood, May 1, 2018
- Flood, April 21, 2018
Earlier years, state by state:
More
Tornadoes in Brown CountyEvery warning in Brown 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.