Storm History: Jefferson County, Iowa
Every storm the National Weather Service has filed in Jefferson 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
- 450
- Deaths
- 0
- Injuries
- 3
- Damage
- $49 million
- Episodes
- 340
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 | 82 | 0 | 0 | $713,000 |
| Tornado | 78 | 0 | 3 | $28 million |
| Winter Storm | 61 | 0 | 0 | |
| Flash Flood | 60 | 0 | 0 | $531,000 |
| Winter Weather | 29 | 0 | 0 | $2,000 |
| Thunderstorm Wind | 23 | 0 | 0 | $100,000 |
| Heavy Snow | 18 | 0 | 0 | $10,000 |
| Drought | 17 | 0 | 0 | $18 million |
| Ice Storm | 15 | 0 | 0 | $73,000 |
| Flood | 14 | 0 | 0 | $300,000 |
| Blizzard | 11 | 0 | 0 | |
| High Wind | 8 | 0 | 0 | $120,000 |
| Dense Fog | 8 | 0 | 0 | |
| Extreme Cold/Wind Chill | 7 | 0 | 0 | |
| Frost/Freeze | 6 | 0 | 0 | $396,000 |
| Cold/Wind Chill | 5 | 0 | 0 | |
| Heat | 4 | 0 | 0 | |
| Lightning | 2 | 0 | 0 | $20,000 |
| Strong Wind | 1 | 0 | 0 | |
| Excessive Heat | 1 | 0 | 0 |
The deadliest
None recorded.
The costliest
Damage within this county, in the dollars of its year.
- Tornado, May 8, 1988
- Drought, August 1, 2003
- Tornado, September 13, 1982
- Drought, July 1, 2005
- Drought, August 1, 2005
- Hail, May 10, 2003
- Frost/Freeze, May 3, 2005
- Tornado, May 9, 1959
- Tornado, November 9, 1975
- Flood, August 13, 2010
- Tornado, April 30, 2003
- Flash Flood, July 27, 2008
- Flash Flood, August 3, 2010
- High Wind, April 6, 1997
- Tornado, May 10, 2003
- Tornado, May 10, 2003
- Flash Flood, June 18, 2010
- Flash Flood, August 13, 2010
- Thunderstorm Wind, June 8, 2005
- Flash Flood, July 9, 2003
The largest hail
The largest stone in each episode, which may have fallen in a neighboring county of the same episode.
- Hail, April 8, 2020
- Hail, June 28, 1976
- Hail, April 3, 2011
- Hail, May 7, 2023
- Hail, May 19, 2013
- Hail, May 10, 2003
- Hail, September 24, 1984
- Hail, July 10, 1980
- Flash Flood, March 12, 2006
- Hail, June 6, 2006
- Hail, June 20, 1997
- Hail, June 22, 2021
- Hail, September 17, 2015
- Flash Flood, June 16, 2014
- Hail, September 1, 2011
The strongest tornadoes
Every episode, newest first
- Tornado, June 17, 2026
- Thunderstorm Wind, April 23, 2026
- Tornado, April 14, 2026
- Tornado, April 2, 2026
- Blizzard, March 15, 2026
- Tornado, March 10, 2026
- Winter Storm, November 28, 2025
- Tornado, March 14, 2025
- Ice Storm, December 14, 2024
- Hail, October 24, 2024
- Thunderstorm Wind, July 30, 2024
- Hail, May 7, 2024
- Winter Storm, January 11, 2024
- Blizzard, January 8, 2024
- Thunderstorm Wind, June 29, 2023
- Hail, May 7, 2023
- Tornado, May 6, 2023
- Blizzard, December 21, 2022
- Tornado, March 5, 2022
- Winter Storm, January 14, 2022
- Winter Storm, January 1, 2022
- High Wind, December 15, 2021
- Thunderstorm Wind, September 20, 2021
- Flash Flood, June 24, 2021
- Hail, June 22, 2021
- Hail, June 18, 2021
- Blizzard, February 4, 2021
- Winter Storm, January 30, 2021
- Winter Storm, January 25, 2021
- Winter Storm, January 1, 2021
- Winter Storm, December 29, 2020
- Tornado, August 10, 2020
- Flash Flood, May 14, 2020
- Winter Storm, April 16, 2020
- Hail, April 8, 2020
- Winter Storm, January 10, 2020
- Winter Weather, October 30, 2019
- Thunderstorm Wind, June 28, 2019
- Flash Flood, May 28, 2019
- Flood, May 19, 2019
- Extreme Cold/Wind Chill, January 29, 2019
- Winter Storm, January 22, 2019
- Winter Storm, January 18, 2019
- Winter Storm, January 11, 2019
- Blizzard, November 25, 2018
- Flash Flood, September 1, 2018
- Winter Weather, December 24, 2017
- Flash Flood, July 20, 2017
- Tornado, May 17, 2017
- Tornado, March 6, 2017
- Blizzard, December 28, 2015
- Hail, September 17, 2015
- Flash Flood, July 6, 2015
- Tornado, June 20, 2015
- Winter Storm, February 25, 2015
- Winter Storm, February 1, 2015
- Winter Storm, January 5, 2015
- Winter Weather, November 15, 2014
- Hail, September 15, 2014
- Flash Flood, June 16, 2014
- Tornado, May 11, 2014
- Tornado, April 27, 2014
- Winter Weather, March 1, 2014
- Winter Storm, February 17, 2014
- Winter Storm, February 4, 2014
- Extreme Cold/Wind Chill, January 5, 2014
- Winter Storm, December 21, 2013
- Ice Storm, December 19, 2013
- Drought, October 1, 2013
- Drought, September 3, 2013
- Heat, August 26, 2013
- Hail, August 5, 2013
- Tornado, June 24, 2013
- Thunderstorm Wind, June 15, 2013
- Tornado, May 30, 2013
- Flash Flood, May 28, 2013
- Hail, May 19, 2013
- Flash Flood, April 17, 2013
- Winter Storm, February 26, 2013
- Winter Storm, February 21, 2013
- Winter Storm, January 29, 2013
- Winter Weather, January 27, 2013
- Blizzard, December 19, 2012
- Dense Fog, November 21, 2012
- Dense Fog, November 19, 2012
- Drought, November 1, 2012
- Drought, August 7, 2012
- Drought, July 17, 2012
- Excessive Heat, July 4, 2012
- Hail, June 16, 2012
- Frost/Freeze, April 11, 2012
- Frost/Freeze, April 10, 2012
- Frost/Freeze, April 10, 2012
- Winter Storm, January 11, 2012
- Drought, October 1, 2011
- Drought, September 1, 2011
- Hail, September 1, 2011
- Thunderstorm Wind, August 6, 2011
- Hail, May 29, 2011
- Hail, April 19, 2011
- Hail, April 3, 2011
- Winter Weather, February 27, 2011
- Winter Weather, February 24, 2011
- Blizzard, February 1, 2011
- Winter Weather, January 17, 2011
- Winter Weather, January 10, 2011
- Winter Storm, December 23, 2010
- Blizzard, December 11, 2010
- Lightning, September 10, 2010
- Flash Flood, August 13, 2010
- Flood, August 13, 2010
- Flash Flood, August 3, 2010
- Hail, June 20, 2010
- Flash Flood, June 18, 2010
- Flash Flood, June 1, 2010
- Winter Weather, March 19, 2010
- Winter Storm, February 21, 2010
- Winter Weather, February 7, 2010
- Winter Weather, January 25, 2010
- Ice Storm, January 20, 2010
- Dense Fog, January 16, 2010
- Winter Storm, January 6, 2010
- Winter Weather, December 25, 2009
- Blizzard, December 9, 2009
- Winter Storm, December 7, 2009
- Flash Flood, July 7, 2009
- Flash Flood, June 21, 2009
- Flash Flood, June 19, 2009
- Flash Flood, June 18, 2009
- Winter Storm, March 28, 2009
- Hail, March 7, 2009
- Winter Storm, February 20, 2009
- Extreme Cold/Wind Chill, January 14, 2009
- Winter Weather, December 24, 2008
- Ice Storm, December 18, 2008
- Winter Weather, December 16, 2008
- Winter Weather, December 3, 2008
- Winter Weather, November 29, 2008
- High Wind, October 26, 2008
- Flash Flood, July 27, 2008
- Hail, July 21, 2008
- Flash Flood, June 25, 2008
- Flash Flood, June 8, 2008
- Flood, June 1, 2008
- Tornado, May 25, 2008
- Frost/Freeze, April 29, 2008
- Tornado, April 10, 2008
- Winter Weather, February 28, 2008
- Winter Weather, February 25, 2008
- Winter Storm, February 16, 2008
- Winter Storm, February 5, 2008
- Dense Fog, February 4, 2008
- Winter Storm, February 3, 2008
- Blizzard, January 29, 2008
- Dense Fog, January 5, 2008
- Winter Weather, December 31, 2007
- Heavy Snow, December 28, 2007
- Winter Storm, December 22, 2007
- Dense Fog, December 20, 2007
- Winter Weather, December 15, 2007
- Ice Storm, December 10, 2007
- Winter Weather, December 6, 2007
- Ice Storm, December 1, 2007
- Thunderstorm Wind, August 23, 2007
- Flash Flood, August 23, 2007
- Tornado, July 16, 2007
- Frost/Freeze, April 3, 2007
- Winter Storm, March 1, 2007
- Ice Storm, February 24, 2007
- Winter Weather, February 16, 2007
- Winter Storm, February 12, 2007
- Winter Weather, February 6, 2007
- Extreme Cold/Wind Chill, February 2, 2007
- Winter Weather, January 20, 2007
- Ice Storm, January 12, 2007
- Thunderstorm Wind, August 2, 2006
- Hail, July 17, 2006
- Hail, June 27, 2006
- Hail, June 6, 2006
- Tornado, April 2, 2006
- Hail, April 2, 2006
- Winter Weather, March 21, 2006
- Flash Flood, March 12, 2006
- Hail, March 8, 2006
- Drought, March 1, 2006
- Ice Storm, February 15, 2006
- Drought, February 1, 2006
- Drought, January 1, 2006
- Winter Weather, December 8, 2005
- Drought, December 1, 2005
- Drought, November 1, 2005
- Drought, October 1, 2005
- Hail, September 18, 2005
- Hail, September 8, 2005
- Drought, September 1, 2005
- Drought, August 1, 2005
- Drought, July 1, 2005
- Thunderstorm Wind, June 8, 2005
- Hail, June 4, 2005
- Frost/Freeze, May 3, 2005
- Ice Storm, January 4, 2005
- Ice Storm, January 3, 2005
- Thunderstorm Wind, August 25, 2004
- Hail, June 14, 2004
- Flood, June 1, 2004
- Flash Flood, May 30, 2004
- Flash Flood, May 30, 2004
- Heavy Snow, March 15, 2004
- Heavy Snow, January 4, 2004
- High Wind, November 12, 2003
- Thunderstorm Wind, August 28, 2003
- Hail, August 25, 2003
- Drought, August 1, 2003
- Flash Flood, July 9, 2003
- Tornado, May 10, 2003
- Hail, May 10, 2003
- Tornado, May 10, 2003
- Tornado, April 30, 2003
- Winter Storm, March 4, 2003
- Winter Storm, February 14, 2003
- Thunderstorm Wind, October 1, 2002
- Flood, August 12, 2002
- Hail, June 1, 2002
- Hail, March 9, 2002
- Winter Storm, March 1, 2002
- Winter Storm, January 30, 2002
- Flood, October 22, 2001
- Flash Flood, August 3, 2001
- Strong Wind, April 23, 2001
- Flood, April 5, 2001
- Heavy Snow, March 15, 2001
- High Wind, February 25, 2001
- Flood, February 24, 2001
- Winter Weather, February 14, 2001
- Winter Storm, February 8, 2001
- Ice Storm, January 28, 2001
- Heavy Snow, January 26, 2001
- Winter Weather, January 13, 2001
- Heavy Snow, December 28, 2000
- Extreme Cold/Wind Chill, December 23, 2000
- Extreme Cold/Wind Chill, December 21, 2000
- Heavy Snow, December 20, 2000
- Heavy Snow, December 18, 2000
- Extreme Cold/Wind Chill, December 16, 2000
- Ice Storm, December 15, 2000
- Heavy Snow, December 13, 2000
- Winter Storm, December 10, 2000
- Heavy Snow, December 1, 2000
- Cold/Wind Chill, December 1, 2000
- Heavy Snow, December 1, 2000
Earlier years, state by state:
More
Tornadoes in Jefferson CountyEvery warning in Jefferson 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.