Storm History: Knox County, Tennessee

Events

867

Deaths

18

Injuries

37

Damage

$66 million

Episodes

574

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

• Winter Storm, January 14, 20244 deaths · 1 event here
• Winter Storm, January 24, 20263 deaths · 81 kt wind · 1 event here
• Tornado, April 3, 19742 deaths · 21 injured · $25,000 · F4 · 1 event here
• Thunderstorm Wind, November 9, 20002 deaths · $3,000 · 1 event here
• Winter Weather, January 18, 20242 deaths · 1 event here
• Flash Flood, February 23, 20191 death · $33 million · 2 events here
• Heat, June 27, 19981 death · 1 event here
• Heat, June 28, 19981 death · 1 event here
• Hail, July 8, 20161 death · 1.5 in hail · 3 events here
• Flash Flood, September 25, 20241 death · 87 kt wind · 2 events here

• Flash Flood, February 23, 20191 death · $33 million · 2 events here
• Tornado, February 21, 19933 injured · $10 million · F3 · 3 events here
• Flood, February 14, 2003$8.3 million · 1 event here
• Tornado, August 7, 2023$3.7 million · EF2 · 3 events here
• Flash Flood, May 5, 2003$2.8 million · 1 event here
• Tornado, April 15, 19656 injured · $2.5 million · F3 · 1 event here
• Tornado, February 28, 2011$2.0 million · EF1 · 1 event here
• Thunderstorm Wind, May 24, 1996$500,000 · 1 event here
• Flash Flood, June 17, 2004$300,000 · 1 event here
• Tornado, May 15, 2003$200,000 · F1 · 1 event here
• Tornado, May 15, 2003$150,000 · F1 · 1 event here
• Thunderstorm Wind, February 20, 2026$115,000 · 52 kt wind · 2 events here
• Thunderstorm Wind, December 18, 2025$102,000 · 68 kt wind · 3 events here
• Thunderstorm Wind, July 4, 1997$75,000 · 1 event here
• Thunderstorm Wind, July 13, 2004$70,000 · 65 kt wind · 1 event here
• Tornado, June 23, 2011$66,000 · EF1 · 4 events here
• Flash Flood, April 25, 2011$65,000 · 1 in hail · 3 events here
• Tornado, April 27, 2011$60,000 · EF4 · 10 events here
• Thunderstorm Wind, October 21, 2005$50,000 · 75 kt wind · 1 event here
• Thunderstorm Wind, August 24, 1996$45,000 · 1 event here

• Hail, May 21, 19983 in hail · 1 event here
• Hail, May 21, 19982.75 in hail · 1 event here
• Flash Flood, March 1, 20172.5 in hail · 3 events here
• Hail, March 21, 20172.5 in hail · 3 events here
• Hail, June 10, 19632.5 in hail · 1 event here
• Hail, April 10, 20252 in hail · 6 events here
• Hail, May 21, 19982 in hail · 1 event here
• Hail, May 21, 19982 in hail · 1 event here
• Hail, April 22, 19702 in hail · 1 event here
• Hail, September 4, 20251.75 in hail · 10 events here
• Flash Flood, May 26, 20241.75 in hail · 10 events here
• Hail, June 25, 20231.75 in hail · 1 event here
• Hail, June 26, 20181.75 in hail · 4 events here
• Hail, April 22, 20171.75 in hail · 3 events here
• Hail, May 2, 20161.75 in hail · 3 events here

• Tornado, April 3, 19742 deaths · 21 injured · $25,000 · F4 · 1 event here
• Tornado, May 18, 1995$1 · F4 · 1 event here
• Tornado, April 27, 2011$60,000 · EF4 · 10 events here
• Tornado, April 15, 19656 injured · $2.5 million · F3 · 1 event here
• Tornado, May 7, 1984F3 · 1 event here
• Tornado, February 21, 19933 injured · $10 million · F3 · 3 events here
• Tornado, March 23, 2011EF3 · 2 events here
• Tornado, March 2, 2012$21,000 · EF3 · 2 events here
• Tornado, July 27, 2014EF3 · 5 events here
• Tornado, November 28, 2016EF3 · 2 events here
• Tornado, December 13, 1973F2 · 1 event here
• Tornado, August 7, 2023$3.7 million · EF2 · 3 events here

Every tornado in Knox County, with its track

• Flash Flood, June 28, 20268 events here
• Flash Flood, June 8, 20265 events here
• Flash Flood, May 24, 202652 kt wind · 1 event here
• Thunderstorm Wind, May 20, 202652 kt wind · 5 events here
• Thunderstorm Wind, February 20, 2026$115,000 · 52 kt wind · 2 events here
• Heavy Snow, January 30, 20261 event here
• Winter Storm, January 24, 20263 deaths · 81 kt wind · 1 event here
• Thunderstorm Wind, December 18, 2025$102,000 · 68 kt wind · 3 events here
• Hail, October 21, 20251 in hail · 1 event here
• Hail, September 4, 20251.75 in hail · 10 events here
• Flood, August 22, 20252 events here
• Flash Flood, August 13, 20252 events here
• Tornado, May 20, 2025EF1 · 2 events here
• Thunderstorm Wind, April 25, 202552 kt wind · 4 events here
• Hail, April 10, 20252 in hail · 6 events here
• Flash Flood, March 15, 20251 in hail · 1 event here
• Heavy Snow, February 19, 20251 event here
• Winter Storm, January 10, 20251 event here
• High Wind, December 29, 202471 kt wind · 1 event here
• Heavy Snow, December 11, 20241 event here
• Flash Flood, September 25, 20241 death · 87 kt wind · 2 events here
• Thunderstorm Wind, August 16, 202461 kt wind · 3 events here
• Thunderstorm Wind, August 1, 202452 kt wind · 3 events here
• Flash Flood, July 30, 20241 in hail · 11 events here
• Flash Flood, July 24, 20241 event here
• Flash Flood, July 22, 20242 events here
• Flash Flood, June 4, 20241 event here
• Flash Flood, May 26, 20241.75 in hail · 10 events here
• Hail, April 10, 20241 in hail · 2 events here
• Winter Weather, January 18, 20242 deaths · 1 event here
• Winter Storm, January 14, 20244 deaths · 1 event here
• High Wind, January 12, 202491 kt wind · 1 event here
• Thunderstorm Wind, December 9, 202352 kt wind · 2 events here
• Flood, December 2, 20231 event here
• Flash Flood, August 14, 20231 in hail · 1 event here
• Flash Flood, August 12, 20231 in hail · 8 events here
• Flash Flood, August 10, 202352 kt wind · 2 events here
• Tornado, August 7, 2023$3.7 million · EF2 · 3 events here
• Thunderstorm Wind, July 29, 202352 kt wind · 3 events here
• Flash Flood, July 20, 202352 kt wind · 1 event here
• Hail, July 2, 20231 in hail · 2 events here
• Hail, June 25, 20231.75 in hail · 1 event here
• Tornado, June 11, 2023EF1 · 4 events here
• Hail, June 5, 20231 in hail · 1 event here
• Flash Flood, May 16, 20231 in hail · 6 events here
• Thunderstorm Wind, May 9, 202350 kt wind · 3 events here
• Hail, May 7, 20231 in hail · 2 events here
• Tornado, April 1, 2023EF1 · 2 events here
• Tornado, March 2, 2023EF0 · 2 events here
• Thunderstorm Wind, March 1, 202385 kt wind · 1 event here
• Tornado, January 12, 2023EF0 · 1 event here
• Thunderstorm Wind, January 3, 202352 kt wind · 2 events here
• Winter Storm, December 23, 20221 event here
• Thunderstorm Wind, August 28, 202252 kt wind · 1 event here
• Flash Flood, August 6, 202252 kt wind · 1 event here
• Flash Flood, August 5, 202252 kt wind · 1 event here
• Thunderstorm Wind, August 4, 202252 kt wind · 1 event here
• Thunderstorm Wind, August 3, 202252 kt wind · 1 event here
• Flash Flood, July 31, 2022$1,000 · 6 events here
• Thunderstorm Wind, July 23, 202252 kt wind · 1 event here
• Flash Flood, July 20, 2022$21,000 · 9 events here
• Thunderstorm Wind, July 18, 202252 kt wind · 1 event here
• Flash Flood, July 12, 202252 kt wind · 1 event here
• Thunderstorm Wind, July 8, 202252 kt wind · 1 event here
• Hail, July 5, 20221 in hail · 2 events here
• Hail, June 2, 20221.25 in hail · 1 event here
• Hail, May 6, 20221.5 in hail · 2 events here
• Thunderstorm Wind, March 22, 202274 kt wind · 1 event here
• Heavy Snow, March 11, 20221 event here
• Flash Flood, February 23, 20223 events here
• Thunderstorm Wind, December 11, 20211 injured · 60 kt wind · 3 events here
• Flash Flood, August 31, 202152 kt wind · 1 event here
• Flash Flood, August 25, 202152 kt wind · 3 events here
• Flash Flood, August 15, 202152 kt wind · 1 event here
• Flash Flood, August 14, 202152 kt wind · 4 events here
• Hail, August 7, 20211 in hail · 2 events here
• Flash Flood, July 18, 20211 event here
• Flash Flood, July 9, 20211 event here
• Hail, June 21, 20211.5 in hail · 2 events here
• Thunderstorm Wind, June 14, 202152 kt wind · 1 event here
• Flash Flood, March 27, 20211.5 in hail · 3 events here
• Flash Flood, March 25, 20211.25 in hail · 1 event here
• Heavy Snow, December 24, 202071 kt wind · 1 event here
• Thunderstorm Wind, July 31, 202050 kt wind · 2 events here
• Thunderstorm Wind, July 24, 202050 kt wind · 2 events here
• Thunderstorm Wind, July 20, 202050 kt wind · 2 events here
• Thunderstorm Wind, July 5, 202050 kt wind · 1 event here
• Flash Flood, June 29, 20201 event here
• Hail, June 14, 20201.25 in hail · 1 event here
• Thunderstorm Wind, April 29, 202063 kt wind · 2 events here
• Thunderstorm Wind, March 29, 202061 kt wind · 5 events here
• Tornado, March 3, 2020EF0 · 3 events here
• Flash Flood, February 5, 2020$15,000 · 3 events here
• Thunderstorm Wind, December 30, 201963 kt wind · 1 event here
• Tornado, October 31, 2019EF0 · 3 events here
• Thunderstorm Wind, August 22, 201950 kt wind · 2 events here
• Thunderstorm Wind, August 19, 201950 kt wind · 1 event here
• Thunderstorm Wind, August 13, 201950 kt wind · 1 event here
• Flash Flood, August 1, 20191 in hail · 2 events here
• Flash Flood, July 22, 20192 events here
• Thunderstorm Wind, June 28, 201950 kt wind · 4 events here
• Thunderstorm Wind, June 24, 201950 kt wind · 2 events here
• Thunderstorm Wind, June 21, 201955 kt wind · 3 events here
• Hail, June 20, 20191 in hail · 1 event here
• Hail, May 18, 20191 in hail · 3 events here
• Flash Flood, April 18, 201970 kt wind · 1 event here
• Thunderstorm Wind, April 8, 201950 kt wind · 1 event here
• Flash Flood, February 23, 20191 death · $33 million · 2 events here
• Flash Flood, February 6, 20192 events here
• High Wind, December 31, 201850 kt wind · 1 event here
• Thunderstorm Wind, November 6, 201876 kt wind · 5 events here
• Flash Flood, September 26, 20181 event here
• Flood, July 20, 20181 in hail · 1 event here
• Flash Flood, July 2, 201850 kt wind · 2 events here
• Hail, June 26, 20181.75 in hail · 4 events here
• Thunderstorm Wind, June 22, 201850 kt wind · 1 event here
• Flash Flood, May 26, 20181 event here
• Thunderstorm Wind, May 15, 201850 kt wind · 1 event here
• Thunderstorm Wind, July 6, 201750 kt wind · 1 event here
• Flash Flood, July 1, 201750 kt wind · 1 event here
• Thunderstorm Wind, May 27, 201750 kt wind · 2 events here
• Flash Flood, April 22, 2017$1,000 · 2 events here
• Hail, April 22, 20171.75 in hail · 3 events here
• Hail, April 5, 20171 in hail · 2 events here
• Hail, March 21, 20172.5 in hail · 3 events here
• Flash Flood, March 1, 20172.5 in hail · 3 events here
• Hail, February 25, 20171 in hail · 2 events here
• Heavy Snow, January 6, 20171 event here
• Tornado, November 28, 2016EF3 · 2 events here
• Thunderstorm Wind, August 28, 201650 kt wind · 2 events here
• Hail, July 14, 20161.5 in hail · 6 events here
• Thunderstorm Wind, July 12, 201655 kt wind · 2 events here
• Hail, July 8, 20161 death · 1.5 in hail · 3 events here
• Thunderstorm Wind, July 7, 201650 kt wind · 1 event here
• Thunderstorm Wind, July 6, 201655 kt wind · 1 event here
• Thunderstorm Wind, June 23, 201650 kt wind · 1 event here
• Thunderstorm Wind, June 16, 201650 kt wind · 2 events here
• Thunderstorm Wind, June 2, 201650 kt wind · 1 event here
• Thunderstorm Wind, June 1, 201650 kt wind · 1 event here
• Thunderstorm Wind, May 12, 201652 kt wind · 2 events here
• Hail, May 2, 20161.75 in hail · 3 events here
• Thunderstorm Wind, February 24, 201668 kt wind · 2 events here
• Blizzard, January 20, 20163 events here
• Flash Flood, December 25, 20151 event here
• High Wind, December 13, 201566 kt wind · 1 event here
• Tornado, July 14, 2015EF1 · 1 event here
• Thunderstorm Wind, June 21, 201550 kt wind · 1 event here
• Hail, June 18, 20151 in hail · 1 event here
• Thunderstorm Wind, June 8, 201555 kt wind · 3 events here
• Thunderstorm Wind, June 1, 201555 kt wind · 1 event here
• Hail, April 25, 20151 in hail · 2 events here
• Thunderstorm Wind, April 19, 2015$15,000 · 55 kt wind · 1 event here
• Hail, April 3, 2015$5,000 · 1 in hail · 1 event here
• Heavy Snow, February 25, 20153 events here
• Ice Storm, February 21, 20151 event here
• Ice Storm, February 16, 20152 events here
• Hail, August 20, 2014$5,000 · 1.75 in hail · 1 event here
• Tornado, July 27, 2014EF3 · 5 events here
• Thunderstorm Wind, July 8, 201450 kt wind · 2 events here
• Thunderstorm Wind, June 23, 2014$4,000 · 50 kt wind · 2 events here
• Tornado, June 10, 2014$12,000 · EF0 · 1 event here
• Thunderstorm Wind, May 29, 201450 kt wind · 1 event here
• Hail, May 22, 20141 in hail · 2 events here
• Hail, May 13, 20141 in hail · 1 event here
• Tornado, April 27, 2014$15,000 · EF1 · 2 events here
• Heavy Snow, February 12, 201410 events here
• Flash Flood, July 10, 201350 kt wind · 1 event here
• Thunderstorm Wind, June 27, 2013$8,000 · 50 kt wind · 1 event here
• Thunderstorm Wind, June 26, 2013$10,000 · 50 kt wind · 2 events here
• Strong Wind, June 16, 2013$10,000 · 1 event here
• Hail, June 10, 2013$25,000 · 1 in hail · 3 events here
• Flash Flood, May 18, 20131.25 in hail · 3 events here
• Thunderstorm Wind, April 11, 2013$10,000 · 60 kt wind · 1 event here
• Flood, September 18, 2012$5,000 · 1 event here
• Thunderstorm Wind, August 9, 2012$9,000 · 50 kt wind · 2 events here
• Flash Flood, August 1, 2012$3,000 · 1.75 in hail · 3 events here
• Thunderstorm Wind, July 18, 201250 kt wind · 1 event here
• Hail, July 17, 20121 in hail · 1 event here
• Thunderstorm Wind, July 5, 201260 kt wind · 2 events here
• Flood, July 2, 20121.75 in hail · 4 events here
• Hail, July 1, 20121 in hail · 1 event here
• Hail, April 26, 20121 in hail · 1 event here
• Flash Flood, April 5, 2012$5,000 · 1.5 in hail · 2 events here
• Flash Flood, April 2, 2012$13,000 · 50 kt wind · 2 events here
• Hail, March 31, 20121.75 in hail · 1 event here
• Tornado, March 2, 2012$21,000 · EF3 · 2 events here
• Hail, January 11, 20120.88 in hail · 1 event here
• Flash Flood, September 3, 201165 kt wind · 2 events here
• Hail, August 18, 2011$5,000 · 1 in hail · 1 event here
• Thunderstorm Wind, August 3, 2011$14,000 · 60 kt wind · 4 events here
• Tornado, June 23, 2011$66,000 · EF1 · 4 events here
• Thunderstorm Wind, June 21, 2011$45,000 · 60 kt wind · 2 events here
• Hail, June 19, 20111 in hail · 1 event here
• Hail, May 24, 20111 in hail · 1 event here
• Hail, May 22, 20111 in hail · 1 event here
• Tornado, April 27, 2011$60,000 · EF4 · 10 events here
• Flash Flood, April 25, 2011$65,000 · 1 in hail · 3 events here
• Thunderstorm Wind, April 11, 2011$3,000 · 50 kt wind · 1 event here
• Tornado, April 4, 2011$20,000 · EF0 · 1 event here
• Tornado, March 23, 2011EF3 · 2 events here
• Tornado, February 28, 2011$2.0 million · EF1 · 1 event here
• Thunderstorm Wind, February 25, 2011$30,000 · 55 kt wind · 2 events here
• Flash Flood, September 11, 201055 kt wind · 4 events here
• Thunderstorm Wind, August 11, 2010$3,000 · 50 kt wind · 1 event here
• Thunderstorm Wind, August 5, 2010$15,000 · 60 kt wind · 1 event here
• Thunderstorm Wind, July 28, 201050 kt wind · 1 event here
• Thunderstorm Wind, July 21, 201050 kt wind · 2 events here
• Strong Wind, June 28, 2010$1,000 · 1 event here
• Hail, June 19, 2010$12,000 · 1 in hail · 1 event here
• Flash Flood, June 15, 2010$2,000 · 1.75 in hail · 4 events here
• Thunderstorm Wind, June 14, 2010$17,000 · 60 kt wind · 2 events here
• Hail, May 15, 20101.75 in hail · 2 events here
• Hail, March 28, 20101 in hail · 1 event here
• Flood, March 12, 20101 in hail · 1 event here
• Heavy Snow, January 29, 20101 event here
• Flash Flood, December 8, 2009$10,000 · 88 kt wind · 1 event here
• Flood, September 26, 20091 event here
• Thunderstorm Wind, August 11, 2009$5,000 · 55 kt wind · 1 event here
• Hail, August 4, 20091 in hail · 2 events here
• Hail, June 28, 2009$15,000 · 60 kt wind · 1 event here
• Hail, June 22, 200958 kt wind · 2 events here
• Thunderstorm Wind, June 21, 2009$18,000 · 58 kt wind · 1 event here
• Hail, June 18, 2009$18,000 · 60 kt wind · 4 events here
• Hail, June 17, 2009$12,000 · 62 kt wind · 4 events here
• Thunderstorm Wind, June 16, 2009$2,000 · 60 kt wind · 1 event here
• Hail, June 11, 2009$20,000 · 63 kt wind · 1 event here
• Hail, June 10, 2009$20,000 · 1.75 in hail · 2 events here
• Hail, June 3, 2009$30,000 · 1 in hail · 2 events here
• Thunderstorm Wind, May 25, 200950 kt wind · 1 event here
• Hail, May 15, 20091 in hail · 2 events here
• Flash Flood, May 8, 200955 kt wind · 1 event here
• Thunderstorm Wind, April 2, 2009$10,000 · 60 kt wind · 1 event here
• Hail, February 18, 2009$12,000 · 1 in hail · 1 event here
• Hail, July 28, 200855 kt wind · 1 event here
• Hail, July 21, 20081 in hail · 2 events here
• Thunderstorm Wind, July 9, 200855 kt wind · 1 event here
• Thunderstorm Wind, June 28, 2008$25,000 · 65 kt wind · 3 events here
• Thunderstorm Wind, June 12, 2008$39,000 · 55 kt wind · 4 events here
• Hail, June 11, 200865 kt wind · 1 event here
• Hail, May 9, 20081 in hail · 4 events here
• Hail, March 19, 20081.75 in hail · 1 event here
• Thunderstorm Wind, March 4, 200850 kt wind · 1 event here
• Hail, February 6, 2008$10,000 · 55 kt wind · 1 event here
• Hail, August 21, 2007$7,000 · 1 in hail · 2 events here
• Hail, August 3, 2007$5,000 · 60 kt wind · 1 event here
• Hail, June 24, 2007$15,000 · 65 kt wind · 1 event here
• Hail, June 8, 2007$20,000 · 60 kt wind · 1 event here
• Tornado, April 3, 2007$25,000 · EF1 · 1 event here
• High Wind, December 1, 2006$35,000 · 67 kt wind · 2 events here
• Hail, October 5, 200660 kt wind · 4 events here

Earlier years, state by state:

• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1994
• 1993
• 1992
• 1991
• 1990
• 1989
• 1987
• 1986
• 1985
• 1984
• 1982
• 1981
• 1977
• 1975
• 1974
• 1973
• 1970
• 1968
• 1965
• 1963
• 1961
• 1957
• 1955

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

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.