Storm History: Boone County, Illinois
Every storm the National Weather Service has filed in Boone County, Illinois: 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
- 419
- Deaths
- 26
- Injuries
- 454
- Damage
- $8.3 million
- Episodes
- 327
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 |
|---|---|---|---|---|
| Tornado | 81 | 25 | 454 | $7.3 million |
| Hail | 61 | 1 | 0 | $302,000 |
| Flash Flood | 57 | 0 | 0 | $537,000 |
| Thunderstorm Wind | 54 | 0 | 0 | $117,000 |
| Winter Storm | 40 | 0 | 0 | |
| Flood | 25 | 0 | 0 | |
| Drought | 22 | 0 | 0 | |
| High Wind | 13 | 0 | 0 | $50,000 |
| Extreme Cold/Wind Chill | 13 | 0 | 0 | |
| Winter Weather | 12 | 0 | 0 | |
| Cold/Wind Chill | 9 | 0 | 0 | |
| Ice Storm | 9 | 0 | 0 | |
| Heavy Snow | 8 | 0 | 0 | |
| Excessive Heat | 7 | 0 | 0 | |
| Blizzard | 5 | 0 | 0 | |
| Strong Wind | 1 | 0 | 0 | |
| Frost/Freeze | 1 | 0 | 0 | |
| Heat | 1 | 0 | 0 |
The deadliest
The costliest
Damage within this county, in the dollars of its year.
- Tornado, November 22, 2010
- Tornado, January 7, 2008
- Flash Flood, August 25, 2006
- Tornado, April 21, 1967
- Hail, April 12, 2014
- Tornado, April 9, 2015
- Flash Flood, August 7, 2007
- Tornado, May 17, 2017
- Tornado, June 28, 2017
- Thunderstorm Wind, July 11, 2011
- High Wind, October 26, 2010
- Tornado, September 26, 1959
- Tornado, June 22, 1984
- Tornado, April 29, 1991
- Hail, August 24, 2006
- Tornado, June 12, 2008
- Flash Flood, July 23, 2016
- Thunderstorm Wind, July 22, 2013
- Hail, June 1, 2007
- Flash Flood, June 18, 2007
The largest hail
The largest stone in each episode, which may have fallen in a neighboring county of the same episode.
- Hail, July 13, 2015
- Hail, May 15, 2025
- Flood, April 4, 2023
- Hail, April 7, 2020
- Flood, May 2, 2018
- Tornado, July 26, 1978
- Hail, April 13, 2006
- Flood, May 19, 2005
- Flash Flood, July 10, 2025
- Hail, June 29, 2023
- Hail, September 7, 2021
- Hail, May 15, 2017
- Hail, April 12, 2014
- Hail, July 15, 2003
- Hail, October 23, 2001
The strongest tornadoes
- Tornado, April 21, 1967
- Tornado, April 9, 2015
- Tornado, July 17, 1972
- Tornado, March 27, 1991
- Tornado, January 7, 2008
- Tornado, June 11, 2026
- Tornado, March 31, 2023
- Tornado, September 26, 1959
- Tornado, May 15, 1986
- Tornado, August 16, 1987
- Tornado, May 8, 1988
- Tornado, June 17, 1992
- Tornado, November 22, 2010
- Tornado, June 30, 2014
Every episode, newest first
- Excessive Heat, June 29, 2026
- Tornado, June 11, 2026
- Tornado, June 10, 2026
- Tornado, April 17, 2026
- Flash Flood, April 15, 2026
- Flash Flood, April 14, 2026
- Winter Storm, March 15, 2026
- Extreme Cold/Wind Chill, January 23, 2026
- Cold/Wind Chill, January 19, 2026
- High Wind, January 14, 2026
- High Wind, December 28, 2025
- Cold/Wind Chill, December 14, 2025
- Winter Storm, December 6, 2025
- Winter Storm, November 28, 2025
- Flash Flood, August 18, 2025
- Hail, August 16, 2025
- Flash Flood, July 10, 2025
- Excessive Heat, June 21, 2025
- Flood, June 18, 2025
- Tornado, June 3, 2025
- Hail, May 15, 2025
- Tornado, March 14, 2025
- Cold/Wind Chill, February 17, 2025
- Cold/Wind Chill, February 17, 2025
- Winter Weather, February 12, 2025
- Winter Weather, February 5, 2025
- Drought, November 1, 2024
- Flash Flood, July 23, 2024
- Tornado, July 14, 2024
- Flash Flood, July 13, 2024
- Tornado, June 22, 2024
- Tornado, May 7, 2024
- Winter Storm, March 22, 2024
- Winter Weather, January 22, 2024
- Extreme Cold/Wind Chill, January 14, 2024
- Winter Storm, January 12, 2024
- Winter Storm, January 8, 2024
- Drought, September 1, 2023
- Excessive Heat, August 23, 2023
- Thunderstorm Wind, August 11, 2023
- Tornado, July 28, 2023
- Excessive Heat, July 26, 2023
- Thunderstorm Wind, July 26, 2023
- Tornado, July 12, 2023
- Drought, July 1, 2023
- Hail, June 29, 2023
- Thunderstorm Wind, April 5, 2023
- Flood, April 4, 2023
- Tornado, March 31, 2023
- Winter Storm, March 9, 2023
- Ice Storm, February 22, 2023
- Winter Storm, February 16, 2023
- Winter Storm, January 28, 2023
- Winter Storm, December 22, 2022
- Extreme Cold/Wind Chill, December 22, 2022
- Tornado, November 5, 2022
- Thunderstorm Wind, September 20, 2022
- Flood, August 28, 2022
- Heat, July 5, 2022
- Flash Flood, July 5, 2022
- Flood, July 4, 2022
- Excessive Heat, June 13, 2022
- Tornado, April 30, 2022
- Winter Weather, April 2, 2022
- Thunderstorm Wind, March 5, 2022
- Drought, March 1, 2022
- Winter Weather, February 24, 2022
- Flash Flood, February 22, 2022
- Winter Weather, February 18, 2022
- Drought, February 1, 2022
- Extreme Cold/Wind Chill, January 25, 2022
- Winter Weather, January 22, 2022
- Winter Weather, January 8, 2022
- Drought, January 1, 2022
- Winter Storm, January 1, 2022
- Drought, December 1, 2021
- Drought, November 1, 2021
- Drought, October 1, 2021
- Hail, September 7, 2021
- Drought, September 1, 2021
- Thunderstorm Wind, August 11, 2021
- Tornado, August 10, 2021
- Tornado, August 9, 2021
- Drought, August 1, 2021
- Thunderstorm Wind, July 29, 2021
- Thunderstorm Wind, July 14, 2021
- Drought, July 1, 2021
- Drought, June 1, 2021
- Cold/Wind Chill, February 14, 2021
- Extreme Cold/Wind Chill, February 13, 2021
- Winter Storm, February 4, 2021
- Winter Storm, January 30, 2021
- Winter Storm, January 25, 2021
- Winter Weather, January 19, 2021
- Ice Storm, January 1, 2021
- Winter Storm, December 29, 2020
- Tornado, November 10, 2020
- Tornado, August 10, 2020
- Flood, June 29, 2020
- Flash Flood, June 26, 2020
- Hail, April 7, 2020
- Ice Storm, January 10, 2020
- Winter Weather, October 31, 2019
- Flash Flood, September 12, 2019
- Excessive Heat, July 18, 2019
- Winter Storm, April 27, 2019
- High Wind, February 24, 2019
- Winter Weather, February 17, 2019
- Ice Storm, February 11, 2019
- Ice Storm, February 5, 2019
- Extreme Cold/Wind Chill, January 29, 2019
- Winter Weather, January 22, 2019
- Winter Storm, January 18, 2019
- Winter Storm, November 25, 2018
- High Wind, October 20, 2018
- Tornado, June 26, 2018
- Flood, May 2, 2018
- Winter Storm, February 8, 2018
- Extreme Cold/Wind Chill, January 1, 2018
- Flood, July 23, 2017
- Flood, July 19, 2017
- Tornado, June 28, 2017
- Flood, June 14, 2017
- Flash Flood, June 13, 2017
- Tornado, May 17, 2017
- Hail, May 15, 2017
- Flash Flood, August 29, 2016
- Thunderstorm Wind, August 4, 2016
- Flash Flood, July 23, 2016
- High Wind, March 16, 2016
- Ice Storm, December 28, 2015
- Heavy Snow, November 20, 2015
- Flash Flood, August 17, 2015
- Hail, July 13, 2015
- Tornado, April 9, 2015
- Blizzard, February 1, 2015
- Hail, August 26, 2014
- Tornado, June 30, 2014
- Flash Flood, May 11, 2014
- Hail, April 12, 2014
- Winter Storm, January 26, 2014
- Extreme Cold/Wind Chill, January 6, 2014
- Heavy Snow, December 21, 2013
- Flash Flood, October 5, 2013
- Hail, August 30, 2013
- Thunderstorm Wind, July 22, 2013
- Hail, May 19, 2013
- Winter Storm, March 5, 2013
- Hail, September 4, 2012
- Flash Flood, July 18, 2012
- Excessive Heat, July 4, 2012
- Tornado, May 6, 2012
- Flood, March 17, 2012
- Winter Storm, January 20, 2012
- Thunderstorm Wind, July 11, 2011
- Flash Flood, June 8, 2011
- Tornado, May 22, 2011
- Blizzard, February 1, 2011
- Winter Storm, December 11, 2010
- Tornado, November 22, 2010
- High Wind, October 26, 2010
- Flood, August 13, 2010
- Flash Flood, July 23, 2010
- Flash Flood, July 22, 2010
- Tornado, June 21, 2010
- Flash Flood, June 18, 2010
- Winter Storm, January 6, 2010
- Winter Storm, December 26, 2009
- Ice Storm, December 23, 2009
- Winter Storm, December 8, 2009
- Tornado, July 30, 2009
- Flash Flood, June 19, 2009
- Flash Flood, June 1, 2009
- Flash Flood, May 13, 2009
- Extreme Cold/Wind Chill, January 14, 2009
- Winter Storm, January 9, 2009
- Blizzard, December 21, 2008
- Extreme Cold/Wind Chill, December 21, 2008
- Ice Storm, December 18, 2008
- Thunderstorm Wind, July 31, 2008
- Flash Flood, July 12, 2008
- Hail, July 7, 2008
- Tornado, June 12, 2008
- Winter Storm, March 21, 2008
- Winter Storm, February 25, 2008
- Extreme Cold/Wind Chill, February 10, 2008
- Winter Storm, February 5, 2008
- Winter Storm, January 21, 2008
- Tornado, January 7, 2008
- Heavy Snow, December 28, 2007
- Ice Storm, December 1, 2007
- Thunderstorm Wind, September 25, 2007
- Flash Flood, August 7, 2007
- Flash Flood, June 18, 2007
- Hail, June 16, 2007
- Hail, June 1, 2007
- Flood, March 31, 2007
- Blizzard, February 25, 2007
- Blizzard, February 13, 2007
- Extreme Cold/Wind Chill, February 1, 2007
- Winter Storm, December 1, 2006
- Winter Storm, November 29, 2006
- Flash Flood, August 25, 2006
- Hail, August 24, 2006
- Flood, July 20, 2006
- Hail, July 17, 2006
- Flood, May 30, 2006
- Hail, April 13, 2006
- Tornado, April 2, 2006
- Cold/Wind Chill, February 18, 2006
- Drought, February 1, 2006
- Winter Storm, January 20, 2006
- Drought, January 1, 2006
- Drought, December 1, 2005
- Drought, November 1, 2005
- Drought, October 1, 2005
- Thunderstorm Wind, September 13, 2005
- Drought, September 1, 2005
- Drought, August 1, 2005
- Drought, July 1, 2005
- Drought, June 15, 2005
- Flood, May 19, 2005
- Heavy Snow, January 21, 2005
- Winter Storm, January 4, 2005
- Flash Flood, May 21, 2004
- Flash Flood, May 18, 2004
- Hail, May 9, 2004
- Frost/Freeze, May 3, 2004
- Cold/Wind Chill, January 29, 2004
- High Wind, November 13, 2003
- Hail, July 15, 2003
- Thunderstorm Wind, July 7, 2003
- Thunderstorm Wind, July 5, 2003
- Thunderstorm Wind, July 4, 2003
- Tornado, May 28, 2003
- Winter Storm, March 4, 2003
- Cold/Wind Chill, January 23, 2003
- High Wind, October 4, 2002
- Flash Flood, August 22, 2002
- Thunderstorm Wind, August 21, 2002
- Thunderstorm Wind, June 10, 2002
- Flash Flood, June 4, 2002
- High Wind, March 9, 2002
- Winter Storm, March 2, 2002
- Winter Storm, January 30, 2002
- Hail, October 23, 2001
- Flood, August 22, 2001
- Hail, August 9, 2001
- Hail, July 22, 2001
- Hail, June 14, 2001
Earlier years, state by state:
More
Tornadoes in Boone CountyEvery warning in Boone County since 1986Every county in Illinois
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.