Storm History: Knox County, Ohio

Events

459

Deaths

1

Injuries

25

Damage

$799 million

Episodes

366

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.

Open the live radar over Knox County

• Thunderstorm Wind, July 29, 20021 death · 4 injured · $50,000 · 53 kt wind · 1 event here

• Winter Storm, March 7, 2008$750 million · 1 event here
• Ice Storm, January 5, 2005$6.8 million · 1 event here
• Winter Storm, December 22, 2004$5.4 million · 1 event here
• Drought, September 1, 1999$5.0 million · 1 event here
• High Wind, September 14, 2008$4.8 million · 69 kt wind · 1 event here
• Flash Flood, June 27, 1998$4.0 million · 1 event here
• Flash Flood, June 27, 1998$3.5 million · 1 event here
• Tornado, July 10, 2006$3.5 million · F1 · 1 event here
• Hail, June 29, 2012$1.4 million · 1.75 in hail · 1 event here
• Flood, January 1, 2005$750,000 · 1 event here
• Tornado, June 7, 19951 injured · $703,000 · F1 · 2 events here
• Flash Flood, May 21, 2004$600,000 · 1 event here
• Heavy Snow, February 16, 2003$500,000 · 1 event here
• Tornado, August 3, 20061 injured · $445,000 · F0 · 2 events here
• Thunderstorm Wind, February 11, 2009$403,000 · 68 kt wind · 2 events here
• Winter Storm, March 4, 2008$400,000 · 1 event here
• Flash Flood, February 28, 2011$400,000 · 1 event here
• Winter Storm, January 25, 2004$350,000 · 1 event here
• Hail, August 26, 2003$310,000 · 61 kt wind · 2 events here
• Winter Storm, March 26, 2002$300,000 · 1 event here

• Hail, June 30, 19904 in hail · 1 event here
• Hail, July 21, 19833 in hail · 1 event here
• Hail, April 14, 19743 in hail · 2 events here
• Hail, July 4, 20122.5 in hail · 2 events here
• Hail, November 10, 2002$100,000 · 2.5 in hail · 1 event here
• Hail, September 2, 1993$5,000 · 2.5 in hail · 1 event here
• Flash Flood, July 20, 20232 in hail · 1 event here
• Flash Flood, September 7, 20202 in hail · 1 event here
• Hail, August 9, 2012$18,000 · 2 in hail · 1 event here
• Hail, June 10, 2011$20,000 · 2 in hail · 1 event here
• Hail, June 16, 20221.75 in hail · 2 events here
• Hail, August 18, 20191.75 in hail · 2 events here
• Hail, May 13, 20141.75 in hail · 1 event here
• Hail, May 10, 2013$10,000 · 1.75 in hail · 2 events here
• Hail, July 23, 2013$4,000 · 1.75 in hail · 1 event here

• Tornado, June 5, 2010$3,000 · EF4 · 1 event here
• Tornado, September 3, 1970$3,000 · F3 · 1 event here
• Tornado, May 2, 1983F3 · 1 event here
• Tornado, November 22, 1992F3 · 1 event here
• Tornado, June 11, 1957$25,000 · F2 · 1 event here
• Tornado, April 2, 19701 injured · $250,000 · F2 · 1 event here
• Tornado, May 13, 1970F2 · 1 event here
• Tornado, July 5, 1980F2 · 1 event here
• Tornado, June 8, 19812 injured · $250,000 · F2 · 2 events here
• Tornado, March 31, 19824 injured · $250,000 · F2 · 1 event here
• Tornado, April 3, 19829 injured · $250,000 · F2 · 1 event here
• Tornado, September 20, 2000$185,000 · F2 · 1 event here
• Tornado, April 9, 2001$10,000 · F2 · 1 event here
• Tornado, November 12, 2003$100,000 · F2 · 1 event here
• Tornado, June 21, 2006$175,000 · F2 · 1 event here

Every tornado in Knox County, with its track

• Thunderstorm Wind, June 6, 2026$30,000 · 60 kt wind · 2 events here
• Tornado, March 26, 2026$8,000 · EF1 · 4 events here
• Hail, March 22, 20261.5 in hail · 3 events here
• Flash Flood, June 24, 202561 kt wind · 2 events here
• Hail, May 16, 20251 in hail · 1 event here
• Hail, May 1, 2025$20,000 · 1.25 in hail · 3 events here
• Flash Flood, August 16, 20241 in hail · 2 events here
• Tornado, June 5, 2024$30,000 · EF0 · 3 events here
• Hail, March 30, 20241 in hail · 2 events here
• Winter Storm, February 16, 20241 event here
• Hail, July 23, 20231 in hail · 1 event here
• Flash Flood, July 20, 20232 in hail · 1 event here
• Tornado, April 1, 2023EF0 · 2 events here
• Blizzard, December 23, 20222 events here
• Thunderstorm Wind, July 23, 202252 kt wind · 3 events here
• Hail, June 16, 20221.75 in hail · 2 events here
• Tornado, June 13, 2022$32,000 · EF1 · 4 events here
• Thunderstorm Wind, June 8, 202255 kt wind · 1 event here
• Winter Storm, February 2, 20221 event here
• Hail, August 11, 202165 kt wind · 3 events here
• Winter Storm, February 15, 20211 event here
• Winter Storm, December 24, 2020$10,000 · 1 event here
• Hail, November 15, 202066 kt wind · 1 event here
• Flash Flood, September 7, 20202 in hail · 1 event here
• Thunderstorm Wind, June 26, 202050 kt wind · 2 events here
• Flash Flood, June 21, 20201 in hail · 1 event here
• Thunderstorm Wind, June 13, 2020$15,000 · 1 event here
• Thunderstorm Wind, June 10, 2020$15,000 · 70 kt wind · 1 event here
• Flood, June 4, 20201 in hail · 1 event here
• Thunderstorm Wind, May 29, 202050 kt wind · 1 event here
• Flash Flood, May 18, 20201 event here
• Flash Flood, March 28, 20201 event here
• High Wind, January 11, 202053 kt wind · 1 event here
• Thunderstorm Wind, August 20, 201952 kt wind · 1 event here
• Hail, August 18, 20191.75 in hail · 2 events here
• Tornado, August 6, 2019EF1 · 1 event here
• Flash Flood, July 3, 2019$2,000 · 1 event here
• Hail, July 2, 2019$30,000 · 1 in hail · 7 events here
• Hail, June 1, 20191.5 in hail · 1 event here
• Tornado, April 14, 2019$5,000 · EF2 · 2 events here
• High Wind, February 24, 2019$50,000 · 60 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 30, 20191 event here
• Winter Storm, January 19, 2019$75,000 · 1 event here
• Flood, April 3, 2018$4,000 · 1 event here
• Flood, February 15, 2018$25,000 · 1 event here
• Flood, November 18, 2017$50,000 · 1 event here
• Hail, August 19, 2017$15,000 · 1 in hail · 2 events here
• Thunderstorm Wind, July 22, 20171 injured · $202,000 · 50 kt wind · 3 events here
• Flood, July 7, 2017$8,000 · 1 in hail · 1 event here
• Flash Flood, June 13, 20171 event here
• Hail, June 13, 2017$15,000 · 1.5 in hail · 1 event here
• Hail, September 10, 2016$15,000 · 52 kt wind · 1 event here
• Thunderstorm Wind, June 15, 2016$35,000 · 50 kt wind · 1 event here
• Flash Flood, July 14, 2015$50,000 · 1 in hail · 1 event here
• Tornado, June 18, 2015$4,000 · EF1 · 1 event here
• Thunderstorm Wind, June 12, 2015$2,000 · 56 kt wind · 1 event here
• Thunderstorm Wind, May 11, 2015$25,000 · 55 kt wind · 1 event here
• Cold/Wind Chill, January 8, 20151 event here
• Thunderstorm Wind, November 24, 2014$200,000 · 56 kt wind · 1 event here
• Hail, May 28, 2014$5,000 · 1 in hail · 3 events here
• Hail, May 13, 20141.75 in hail · 1 event here
• Hail, April 29, 2014$2,000 · 1 in hail · 1 event here
• Extreme Cold/Wind Chill, January 27, 20141 event here
• Extreme Cold/Wind Chill, January 6, 20141 event here
• Flash Flood, December 21, 2013$5,000 · 52 kt wind · 1 event here
• Tornado, November 17, 2013$12,000 · EF2 · 1 event here
• Thunderstorm Wind, November 1, 2013$5,000 · 52 kt wind · 1 event here
• Thunderstorm Wind, October 6, 2013$3,000 · 50 kt wind · 1 event here
• Hail, July 23, 2013$4,000 · 1.75 in hail · 1 event here
• Tornado, July 10, 2013$83,000 · EF0 · 3 events here
• Flash Flood, July 9, 201350 kt wind · 1 event here
• Tornado, July 8, 2013$200,000 · EF0 · 1 event here
• Hail, June 25, 2013$1,000 · 1 in hail · 1 event here
• Tornado, June 12, 2013$81,000 · EF0 · 6 events here
• Hail, May 10, 2013$10,000 · 1.75 in hail · 2 events here
• Hail, April 10, 2013$4,000 · 1.25 in hail · 1 event here
• Winter Storm, December 26, 2012$75,000 · 1 event here
• Hail, August 9, 2012$18,000 · 2 in hail · 1 event here
• Hail, July 26, 2012$25,000 · 1 in hail · 2 events here
• Hail, July 4, 20122.5 in hail · 2 events here
• Hail, June 29, 2012$1.4 million · 1.75 in hail · 1 event here
• Hail, May 28, 20121.75 in hail · 1 event here
• Hail, March 30, 2012$30,000 · 1.75 in hail · 4 events here
• Extreme Cold/Wind Chill, March 27, 20121 event here
• Hail, March 15, 20121.75 in hail · 1 event here
• High Wind, February 24, 2012$25,000 · 50 kt wind · 1 event here
• Thunderstorm Wind, July 29, 2011$1,000 · 65 kt wind · 1 event here
• Flash Flood, July 22, 201153 kt wind · 1 event here
• Thunderstorm Wind, July 11, 2011$20,000 · 56 kt wind · 2 events here
• Thunderstorm Wind, July 7, 2011$2,000 · 50 kt wind · 1 event here
• Hail, June 10, 2011$20,000 · 2 in hail · 1 event here
• High Wind, April 28, 2011$40,000 · 66 kt wind · 1 event here
• Tornado, April 19, 2011$10,000 · EF0 · 1 event here
• Hail, March 23, 2011$7,000 · 1.75 in hail · 2 events here
• Flash Flood, February 28, 2011$400,000 · 1 event here
• Winter Storm, February 1, 2011$250,000 · 1 event here
• Hail, September 7, 20101.5 in hail · 2 events here
• Thunderstorm Wind, August 4, 2010$2,000 · 57 kt wind · 1 event here
• Tornado, June 27, 2010$8,000 · EF1 · 1 event here
• Tornado, June 5, 2010$3,000 · EF4 · 1 event here
• Hail, June 4, 2010$10,000 · 1.75 in hail · 1 event here
• Hail, June 3, 2010$20,000 · 50 kt wind · 1 event here
• Hail, June 2, 20101.75 in hail · 1 event here
• Tornado, May 7, 2010$10,000 · EF1 · 2 events here
• Hail, April 25, 20101 in hail · 2 events here
• Winter Storm, February 15, 2010$300,000 · 1 event here
• Winter Storm, February 5, 2010$200,000 · 1 event here
• High Wind, December 9, 2009$150,000 · 60 kt wind · 1 event here
• Hail, August 20, 2009$2,000 · 52 kt wind · 1 event here
• Hail, June 25, 2009$3,000 · 1.75 in hail · 1 event here
• Thunderstorm Wind, February 11, 2009$403,000 · 68 kt wind · 2 events here
• Winter Storm, January 27, 2009$150,000 · 1 event here
• Extreme Cold/Wind Chill, January 15, 20091 event here
• Winter Storm, December 19, 2008$20,000 · 1 event here
• High Wind, September 14, 2008$4.8 million · 69 kt wind · 1 event here
• Hail, August 7, 2008$100,000 · 1 in hail · 2 events here
• Hail, August 1, 2008$1,000 · 52 kt wind · 1 event here
• Flash Flood, July 8, 2008$2,000 · 59 kt wind · 1 event here
• Hail, June 28, 2008$2,000 · 50 kt wind · 1 event here
• Hail, June 23, 20081.75 in hail · 2 events here
• Hail, June 22, 20081.75 in hail · 1 event here
• Tornado, May 30, 2008$1,000 · EF2 · 2 events here
• Winter Storm, March 7, 2008$750 million · 1 event here
• Winter Storm, March 4, 2008$400,000 · 1 event here
• Thunderstorm Wind, January 29, 2008$25,000 · 65 kt wind · 1 event here
• Thunderstorm Wind, January 9, 2008$83,000 · 75 kt wind · 2 events here
• High Wind, December 23, 2007$15,000 · 53 kt wind · 1 event here
• Thunderstorm Wind, September 25, 2007$5,000 · 50 kt wind · 2 events here
• Flash Flood, August 20, 2007$25,000 · 1 event here
• Tornado, August 9, 2007$50,000 · EF1 · 1 event here
• Hail, June 17, 2007$10,000 · 50 kt wind · 1 event here
• Hail, June 13, 2007$2,000 · 1 in hail · 1 event here
• Hail, June 2, 2007$4,000 · 1.75 in hail · 1 event here
• Tornado, May 1, 2007EF0 · 1 event here
• Thunderstorm Wind, April 11, 2007$15,000 · 50 kt wind · 1 event here
• Ice Storm, March 15, 2007$50,000 · 1 event here
• Ice Storm, February 24, 2007$20,000 · 1 event here
• Winter Storm, February 13, 2007$30,000 · 1 event here
• High Wind, December 1, 2006$20,000 · 55 kt wind · 1 event here
• Tornado, August 3, 20061 injured · $445,000 · F0 · 2 events here
• Flash Flood, July 22, 2006$200,000 · 1 event here
• Hail, July 18, 20060.75 in hail · 1 event here
• Flash Flood, July 14, 20061 event here
• Hail, July 10, 2006$50,000 · 1 in hail · 1 event here
• Tornado, July 10, 2006$3.5 million · F1 · 1 event here
• Hail, July 2, 200652 kt wind · 1 event here
• Tornado, June 21, 2006$175,000 · F2 · 1 event here
• Hail, May 25, 2006$8,000 · 1.5 in hail · 2 events here
• Hail, April 14, 20061 in hail · 1 event here
• Strong Wind, March 10, 2006$10,000 · 1 event here
• High Wind, February 17, 2006$15,000 · 58 kt wind · 1 event here
• Strong Wind, September 29, 2005$25,000 · 1 event here
• Tornado, August 20, 2005$2,000 · F1 · 1 event here
• Hail, July 26, 2005$25,000 · 53 kt wind · 2 events here
• Hail, July 25, 2005$15,000 · 61 kt wind · 1 event here
• Hail, June 30, 2005$10,000 · 63 kt wind · 1 event here
• Flash Flood, June 10, 2005$250,000 · 1 event here
• Hail, June 10, 2005$10,000 · 1.25 in hail · 1 event here
• Hail, June 5, 2005$3,000 · 61 kt wind · 1 event here
• Hail, May 13, 2005$12,000 · 1.25 in hail · 1 event here
• Ice Storm, January 5, 2005$6.8 million · 1 event here
• Flood, January 1, 2005$750,000 · 1 event here
• Winter Storm, December 22, 2004$5.4 million · 1 event here
• High Wind, December 7, 2004$15,000 · 57 kt wind · 1 event here
• Strong Wind, November 27, 2004$5,000 · 1 event here
• Hail, August 28, 2004$75,000 · 1.75 in hail · 2 events here
• Thunderstorm Wind, August 19, 2004$70,000 · 50 kt wind · 2 events here
• Flood, June 17, 20041 event here
• Thunderstorm Wind, June 15, 2004$14,000 · 50 kt wind · 2 events here
• Hail, June 14, 2004$15,000 · 61 kt wind · 1 event here
• Hail, June 13, 2004$10,000 · 1 in hail · 1 event here
• Hail, June 9, 2004$10,000 · 50 kt wind · 2 events here
• Thunderstorm Wind, May 30, 2004$5,000 · 50 kt wind · 1 event here
• Flash Flood, May 21, 2004$600,000 · 1 event here
• Hail, May 21, 2004$2,000 · 1.75 in hail · 1 event here
• Tornado, May 21, 2004$250,000 · F0 · 1 event here
• Flood, May 18, 2004$125,000 · 52 kt wind · 2 events here
• Flash Flood, May 7, 2004$2,000 · 1 in hail · 1 event here
• Heavy Snow, March 16, 2004$250,000 · 1 event here
• High Wind, March 5, 2004$50,000 · 52 kt wind · 1 event here
• Winter Storm, February 5, 2004$125,000 · 1 event here
• Winter Storm, January 25, 2004$350,000 · 1 event here
• High Wind, November 12, 2003$60,000 · 52 kt wind · 1 event here
• Tornado, November 12, 2003$100,000 · F2 · 1 event here
• Hail, September 26, 2003$2,000 · 50 kt wind · 1 event here
• Flood, August 27, 2003$15,000 · 50 kt wind · 2 events here
• Hail, August 26, 2003$310,000 · 61 kt wind · 2 events here
• Thunderstorm Wind, July 27, 2003$15,000 · 50 kt wind · 1 event here
• Tornado, July 21, 2003F1 · 1 event here
• Hail, July 8, 2003$50,000 · 60 kt wind · 1 event here
• Tornado, July 7, 2003$15,000 · F0 · 1 event here
• Hail, July 4, 2003$25,000 · 65 kt wind · 1 event here
• Strong Wind, May 11, 2003$40,000 · 1 event here
• Flash Flood, May 7, 2003$10,000 · 1 in hail · 1 event here
• Hail, April 20, 2003$58,000 · 1 in hail · 3 events here
• Hail, April 4, 2003$5,000 · 1.5 in hail · 1 event here
• Heavy Snow, February 16, 2003$500,000 · 1 event here
• Hail, November 10, 2002$100,000 · 2.5 in hail · 1 event here
• High Wind, October 4, 2002$75,000 · 1 event here
• Hail, September 3, 2002$5,000 · 1 in hail · 1 event here
• Hail, August 23, 2002$25,000 · 1 in hail · 1 event here
• Thunderstorm Wind, July 29, 20021 death · 4 injured · $50,000 · 53 kt wind · 1 event here
• Hail, June 27, 2002$18,000 · 0.75 in hail · 2 events here
• Hail, June 5, 2002$15,000 · 1 in hail · 1 event here
• Hail, May 31, 2002$255,000 · 1.75 in hail · 4 events here
• Hail, May 30, 2002$7,000 · 1 in hail · 1 event here
• Thunderstorm Wind, May 12, 2002$20,000 · 1 event here
• Thunderstorm Wind, May 2, 2002$15,000 · 1 event here
• Hail, April 28, 2002$25,000 · 1.75 in hail · 1 event here
• Tornado, April 19, 2002$35,000 · F0 · 6 events here
• Winter Storm, March 26, 2002$300,000 · 1 event here
• Winter Storm, March 24, 2002$75,000 · 1 event here
• High Wind, March 9, 2002$175,000 · 55 kt wind · 1 event here
• Thunderstorm Wind, February 20, 2002$15,000 · 1 event here
• High Wind, February 1, 2002$25,000 · 1 event here
• High Wind, December 14, 2001$75,000 · 1 event here
• High Wind, October 25, 2001$75,000 · 1 event here
• Thunderstorm Wind, October 24, 2001$115,000 · 52 kt wind · 2 events here
• High Wind, October 16, 2001$10,000 · 1 event here
• Flood, July 19, 2001$25,000 · 1 event here
• Thunderstorm Wind, July 9, 2001$10,000 · 1 event here
• Hail, July 1, 2001$20,000 · 0.75 in hail · 2 events here
• High Wind, April 12, 2001$25,000 · 1 event here
• Tornado, April 9, 2001$10,000 · F2 · 1 event here
• High Wind, February 9, 2001$5,000 · 1 event here
• Winter Storm, December 13, 2000$125,000 · 1 event here
• High Wind, December 11, 2000$100,000 · 1 event here
• Thunderstorm Wind, November 9, 2000$5,000 · 1 event here
• Tornado, September 20, 2000$185,000 · F2 · 1 event here
• Tornado, August 6, 2000$5,000 · F1 · 1 event here
• Hail, July 28, 20001 in hail · 1 event here
• Flash Flood, July 14, 2000$10,000 · 1.75 in hail · 2 events here
• Tornado, June 14, 2000$25,000 · F1 · 1 event here
• Flash Flood, June 12, 2000$10,000 · 0.88 in hail · 2 events here
• Hail, June 2, 2000$10,000 · 1 in hail · 1 event here
• Flash Flood, April 8, 20001 event here
• Flash Flood, October 13, 1999$60,000 · 1.75 in hail · 1 event here
• Hail, September 29, 1999$5,000 · 0.88 in hail · 1 event here
• Drought, September 1, 1999$5.0 million · 1 event here
• Drought, August 1, 19991 event here
• Tornado, July 28, 1999$15,000 · F1 · 1 event here
• Drought, July 1, 19991 event here
• Tornado, July 1, 1999$150,000 · F1 · 1 event here
• Heat, July 1, 19991 event here
• Heat, June 6, 19991 event here
• Drought, June 1, 19991 event here
• High Wind, May 6, 1999$10,000 · 52 kt wind · 1 event here
• Thunderstorm Wind, April 9, 1999$5,000 · 1 event here
• Heavy Snow, March 9, 19991 event here
• Winter Storm, January 13, 1999$2,000 · 1 event here

Earlier years, state by state:

• 1999
• 1998
• 1997
• 1996
• 1995
• 1994
• 1993
• 1992
• 1991
• 1990
• 1988
• 1987
• 1986
• 1985
• 1983
• 1982
• 1981
• 1980
• 1977
• 1974
• 1970
• 1968
• 1966
• 1963
• 1961
• 1957

Tornadoes in Knox CountyEvery warning in Knox County since 1986Every county in Ohio

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.