Storm History: Harrison County, Iowa
Every storm the National Weather Service has filed in Harrison County, Iowa: 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
- 698
- Deaths
- 2
- Injuries
- 20
- Damage
- $73 million
- Episodes
- 522
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 | 191 | 0 | 0 | $203,000 |
| Tornado | 147 | 2 | 19 | $20 million |
| Thunderstorm Wind | 115 | 0 | 1 | $467,000 |
| Winter Storm | 51 | 0 | 0 | |
| Cold/Wind Chill | 37 | 0 | 0 | |
| Flash Flood | 26 | 0 | 0 | $3.1 million |
| Blizzard | 23 | 0 | 0 | |
| High Wind | 22 | 0 | 0 | |
| Flood | 17 | 0 | 0 | $48 million |
| Heat | 12 | 0 | 0 | |
| Winter Weather | 12 | 0 | 0 | |
| Excessive Heat | 12 | 0 | 0 | |
| Extreme Cold/Wind Chill | 11 | 0 | 0 | |
| Drought | 10 | 0 | 0 | |
| Heavy Snow | 4 | 0 | 0 | $900,000 |
| Ice Storm | 4 | 0 | 0 | |
| Heavy Rain | 3 | 0 | 0 | |
| Funnel Cloud | 1 | 0 | 0 |
The deadliest
The costliest
Damage within this county, in the dollars of its year.
- Flood, June 21, 1996
- Tornado, May 5, 2007
- Flood, July 16, 1996
- Flood, August 1, 2011
- Tornado, June 16, 1992
- Flash Flood, March 12, 2019
- Tornado, May 16, 1999
- Heavy Snow, October 25, 1997
- Tornado, April 14, 1994
- Flash Flood, May 12, 2023
- Thunderstorm Wind, August 4, 1996
- Tornado, May 6, 1983
- Flash Flood, June 24, 2024
- Flood, June 1, 2011
- Hail, July 1, 1994
- Thunderstorm Wind, April 12, 1998
- Tornado, May 16, 1999
- Flash Flood, August 7, 1999
- Hail, October 13, 2000
- Tornado, August 7, 1994
The largest hail
The largest stone in each episode, which may have fallen in a neighboring county of the same episode.
- Flash Flood, June 12, 2024
- Flash Flood, June 30, 2014
- Hail, August 18, 2011
- Hail, September 18, 2010
- Hail, May 22, 2004
- Hail, May 17, 1996
- Hail, June 18, 1980
- Flash Flood, June 24, 2024
- Hail, August 6, 2011
- Hail, October 1, 2002
- Hail, July 22, 1995
- Hail, April 30, 2024
- Hail, July 16, 1965
- Hail, June 29, 2017
- Hail, August 9, 2009
The strongest tornadoes
- Tornado, March 29, 1979
- Tornado, March 13, 1990
- Tornado, May 27, 1995
- Tornado, May 16, 1999
- Tornado, July 15, 1988
- Tornado, April 26, 1991
- Tornado, June 16, 1992
- Tornado, April 14, 1994
- Tornado, August 7, 1994
- Tornado, May 16, 1999
- Tornado, June 11, 2008
- Tornado, April 26, 2024
- Tornado, June 6, 1971
- Tornado, September 12, 1972
- Tornado, May 6, 1975
Every episode, newest first
- Heat, June 28, 2026
- Hail, May 31, 2026
- Thunderstorm Wind, May 17, 2026
- Tornado, April 23, 2026
- Hail, April 15, 2026
- High Wind, March 15, 2026
- Winter Storm, February 19, 2026
- Extreme Cold/Wind Chill, January 23, 2026
- High Wind, January 21, 2026
- High Wind, December 18, 2025
- High Wind, December 9, 2025
- Winter Storm, November 28, 2025
- Hail, September 22, 2025
- Thunderstorm Wind, August 9, 2025
- Thunderstorm Wind, July 28, 2025
- Excessive Heat, July 27, 2025
- Excessive Heat, June 20, 2025
- Blizzard, March 19, 2025
- Thunderstorm Wind, March 14, 2025
- Blizzard, March 4, 2025
- Extreme Cold/Wind Chill, February 19, 2025
- Extreme Cold/Wind Chill, February 17, 2025
- High Wind, December 19, 2024
- Excessive Heat, August 25, 2024
- Excessive Heat, July 29, 2024
- Excessive Heat, July 15, 2024
- Flood, July 1, 2024
- Flash Flood, June 24, 2024
- Flash Flood, June 12, 2024
- Tornado, May 24, 2024
- Hail, April 30, 2024
- Tornado, April 26, 2024
- Winter Storm, January 18, 2024
- Extreme Cold/Wind Chill, January 12, 2024
- Blizzard, January 11, 2024
- Winter Storm, January 8, 2024
- Hail, September 23, 2023
- Excessive Heat, August 19, 2023
- Heavy Rain, August 2, 2023
- Hail, July 17, 2023
- Tornado, July 12, 2023
- Flash Flood, May 12, 2023
- Winter Storm, March 26, 2023
- Winter Storm, January 18, 2023
- Extreme Cold/Wind Chill, December 22, 2022
- Thunderstorm Wind, July 23, 2022
- Thunderstorm Wind, July 11, 2022
- Hail, May 17, 2022
- Thunderstorm Wind, May 12, 2022
- Tornado, April 12, 2022
- Hail, July 30, 2021
- Thunderstorm Wind, July 10, 2021
- Hail, July 9, 2021
- Thunderstorm Wind, July 9, 2021
- Thunderstorm Wind, June 11, 2021
- Winter Storm, February 21, 2021
- Extreme Cold/Wind Chill, February 14, 2021
- Winter Storm, January 25, 2021
- Blizzard, January 14, 2021
- Blizzard, December 23, 2020
- Thunderstorm Wind, August 10, 2020
- Thunderstorm Wind, July 11, 2020
- Thunderstorm Wind, June 18, 2020
- Winter Weather, November 26, 2019
- Tornado, September 24, 2019
- Thunderstorm Wind, September 21, 2019
- Hail, September 14, 2019
- Thunderstorm Wind, August 18, 2019
- Hail, July 2, 2019
- Flash Flood, March 12, 2019
- Blizzard, February 23, 2019
- Winter Weather, February 19, 2019
- Cold/Wind Chill, January 29, 2019
- High Wind, January 1, 2019
- Winter Storm, December 1, 2018
- Thunderstorm Wind, September 20, 2018
- Flash Flood, August 20, 2018
- Thunderstorm Wind, June 28, 2018
- Tornado, June 18, 2018
- Thunderstorm Wind, June 1, 2018
- Thunderstorm Wind, May 1, 2018
- Winter Weather, April 18, 2018
- Winter Weather, March 5, 2018
- Winter Weather, February 22, 2018
- Winter Weather, February 5, 2018
- Heavy Rain, October 6, 2017
- Hail, June 29, 2017
- Tornado, June 16, 2017
- Thunderstorm Wind, May 16, 2017
- Hail, April 19, 2017
- Hail, April 15, 2017
- Hail, March 6, 2017
- Winter Weather, February 7, 2017
- Ice Storm, January 15, 2017
- Thunderstorm Wind, September 9, 2016
- Thunderstorm Wind, August 11, 2016
- Thunderstorm Wind, July 11, 2016
- Tornado, June 29, 2016
- Blizzard, February 2, 2016
- Heavy Snow, December 24, 2015
- Winter Storm, November 30, 2015
- Thunderstorm Wind, June 6, 2015
- Thunderstorm Wind, May 10, 2015
- Winter Storm, February 1, 2015
- Winter Storm, January 31, 2015
- Cold/Wind Chill, January 7, 2015
- Cold/Wind Chill, December 30, 2014
- Flood, September 1, 2014
- Hail, August 31, 2014
- Flash Flood, July 5, 2014
- Flash Flood, June 30, 2014
- Tornado, June 29, 2014
- Hail, June 20, 2014
- Hail, June 16, 2014
- Tornado, June 3, 2014
- Thunderstorm Wind, June 1, 2014
- Hail, May 7, 2014
- Cold/Wind Chill, March 2, 2014
- Cold/Wind Chill, February 5, 2014
- Cold/Wind Chill, January 27, 2014
- High Wind, January 26, 2014
- Cold/Wind Chill, January 22, 2014
- High Wind, January 16, 2014
- Extreme Cold/Wind Chill, January 5, 2014
- Cold/Wind Chill, December 29, 2013
- Cold/Wind Chill, December 1, 2013
- Hail, July 22, 2013
- Thunderstorm Wind, June 14, 2013
- Hail, May 19, 2013
- Winter Weather, May 1, 2013
- Hail, April 9, 2013
- Drought, April 1, 2013
- Blizzard, March 10, 2013
- Drought, March 1, 2013
- Heavy Snow, February 21, 2013
- Drought, February 1, 2013
- Cold/Wind Chill, January 31, 2013
- Drought, January 1, 2013
- Blizzard, December 19, 2012
- Drought, December 1, 2012
- Drought, November 1, 2012
- Drought, October 1, 2012
- Drought, September 1, 2012
- Drought, August 1, 2012
- Drought, July 24, 2012
- Heat, July 17, 2012
- Hail, July 14, 2012
- Excessive Heat, July 3, 2012
- Heat, June 27, 2012
- Hail, May 19, 2012
- Cold/Wind Chill, February 11, 2012
- Winter Storm, February 4, 2012
- Winter Storm, December 3, 2011
- Flood, September 1, 2011
- Hail, August 18, 2011
- Hail, August 6, 2011
- Excessive Heat, August 1, 2011
- Flood, August 1, 2011
- Excessive Heat, July 15, 2011
- Heat, July 10, 2011
- Flood, July 1, 2011
- Heat, June 30, 2011
- Tornado, June 26, 2011
- Tornado, June 20, 2011
- Hail, June 19, 2011
- Hail, June 17, 2011
- Hail, June 9, 2011
- Flood, June 1, 2011
- Thunderstorm Wind, May 30, 2011
- Flood, May 26, 2011
- Hail, May 21, 2011
- Tornado, March 22, 2011
- Cold/Wind Chill, February 8, 2011
- Winter Storm, February 1, 2011
- Winter Storm, January 31, 2011
- Winter Weather, January 9, 2011
- Blizzard, December 11, 2010
- Hail, September 18, 2010
- Thunderstorm Wind, August 8, 2010
- Excessive Heat, August 8, 2010
- Thunderstorm Wind, July 18, 2010
- Heat, July 17, 2010
- Thunderstorm Wind, July 14, 2010
- Heat, July 14, 2010
- Flood, June 22, 2010
- Hail, June 17, 2010
- Flash Flood, June 1, 2010
- Hail, April 5, 2010
- Winter Weather, February 14, 2010
- Blizzard, January 25, 2010
- Winter Weather, January 24, 2010
- Ice Storm, January 19, 2010
- Winter Storm, January 6, 2010
- Blizzard, December 24, 2009
- Blizzard, December 7, 2009
- Hail, August 9, 2009
- Hail, July 22, 2009
- Thunderstorm Wind, July 12, 2009
- Hail, June 23, 2009
- Winter Storm, April 5, 2009
- Tornado, March 23, 2009
- Cold/Wind Chill, January 14, 2009
- Blizzard, January 12, 2009
- Cold/Wind Chill, December 20, 2008
- Ice Storm, December 18, 2008
- Cold/Wind Chill, December 14, 2008
- Thunderstorm Wind, July 15, 2008
- Tornado, June 20, 2008
- Tornado, June 11, 2008
- Hail, June 9, 2008
- Flood, June 7, 2008
- Hail, June 3, 2008
- Tornado, May 29, 2008
- Thunderstorm Wind, May 6, 2008
- Hail, April 24, 2008
- Extreme Cold/Wind Chill, February 20, 2008
- Winter Weather, January 29, 2008
- Ice Storm, December 1, 2007
- Thunderstorm Wind, September 18, 2007
- Thunderstorm Wind, September 6, 2007
- Thunderstorm Wind, August 28, 2007
- Thunderstorm Wind, August 12, 2007
- Thunderstorm Wind, August 9, 2007
- Thunderstorm Wind, July 18, 2007
- Hail, May 31, 2007
- Flash Flood, May 6, 2007
- Tornado, May 5, 2007
- Hail, April 3, 2007
- Hail, March 31, 2007
- Hail, March 24, 2007
- Blizzard, March 1, 2007
- Winter Storm, February 24, 2007
- Cold/Wind Chill, February 15, 2007
- Cold/Wind Chill, February 14, 2007
- Cold/Wind Chill, February 4, 2007
- Cold/Wind Chill, February 3, 2007
- Heavy Snow, January 20, 2007
- Cold/Wind Chill, January 15, 2007
- Thunderstorm Wind, September 16, 2006
- Hail, September 16, 2006
- Thunderstorm Wind, September 15, 2006
- Hail, September 15, 2006
- Hail, September 3, 2006
- Hail, September 3, 2006
- Thunderstorm Wind, April 15, 2006
- Thunderstorm Wind, March 30, 2006
- Winter Storm, March 21, 2006
- Cold/Wind Chill, February 18, 2006
- Cold/Wind Chill, December 5, 2005
- Hail, August 20, 2005
Earlier years, state by state:
More
Tornadoes in Harrison CountyEvery warning in Harrison County since 1986Every county in Iowa
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.