Storm History: McHenry County, Illinois

Events

854

Deaths

12

Injuries

127

Damage

$40 million

Episodes

480

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 McHenry County

• Tornado, April 11, 19656 deaths · 75 injured · F4 · 1 event here
• Tornado, October 9, 19581 death · $2.5 million · F2 · 1 event here
• Cold/Wind Chill, January 10, 19971 death · 1 event here
• High Wind, April 7, 20011 death · 1 injured · 50 kt wind · 1 event here
• Extreme Cold/Wind Chill, January 24, 20091 death · 1 event here
• Winter Storm, February 23, 20121 death · 1 event here
• Cold/Wind Chill, January 11, 20161 death · 1 event here

• Tornado, April 21, 196743 injured · $28 million · F4 · 2 events here
• Flash Flood, July 11, 2017$3.9 million · 1 in hail · 2 events here
• Tornado, October 9, 19581 death · $2.5 million · F2 · 1 event here
• Tornado, January 7, 20081 injured · $2.0 million · EF3 · 2 events here
• Flash Flood, August 7, 2007$1.0 million · 2 events here
• Flood, July 27, 2011$360,000 · 70 kt wind · 3 events here
• Tornado, October 8, 19591 injured · $250,000 · F2 · 1 event here
• Tornado, April 19, 1963$250,000 · F2 · 1 event here
• Tornado, August 15, 1978$250,000 · F3 · 1 event here
• Flood, June 13, 2008$250,000 · 1 event here
• Hail, July 17, 2006$220,000 · 60 kt wind · 6 events here
• Lightning, August 5, 1996$200,000 · 1 event here
• Flash Flood, July 9, 2007$155,000 · 52 kt wind · 5 events here
• Thunderstorm Wind, July 11, 2011$118,000 · 75 kt wind · 8 events here
• Flood, September 2, 2018$105,000 · 5 events here
• High Wind, May 30, 2008$100,000 · 56 kt wind · 1 event here
• High Wind, October 26, 2010$100,000 · 62 kt wind · 1 event here
• Hail, April 12, 2014$100,000 · 2 in hail · 12 events here
• Tornado, June 19, 2009$77,000 · EF1 · 6 events here
• Flash Flood, October 2, 2006$75,000 · 1.75 in hail · 2 events here

• Hail, July 13, 20153.75 in hail · 1 event here
• Hail, May 15, 20253 in hail · 5 events here
• Flood, April 4, 20233 in hail · 1 event here
• Hail, April 7, 20203 in hail · 2 events here
• Flood, May 2, 20183 in hail · 2 events here
• Flash Flood, May 20, 20142.75 in hail · 1 event here
• Hail, July 20, 20132.75 in hail · 3 events here
• Hail, April 5, 2010$40,000 · 2.75 in hail · 9 events here
• Hail, April 13, 2006$5,000 · 2.75 in hail · 3 events here
• Flood, May 19, 20052.75 in hail · 5 events here
• Hail, July 7, 19912.75 in hail · 1 event here
• Hail, August 27, 20242.5 in hail · 7 events here
• Hail, May 9, 20032.5 in hail · 1 event here
• Hail, August 16, 19682.5 in hail · 2 events here
• Flash Flood, July 10, 20252 in hail · 1 event here

• Tornado, April 11, 19656 deaths · 75 injured · F4 · 1 event here
• Tornado, April 21, 196743 injured · $28 million · F4 · 2 events here
• Tornado, April 3, 1981F4 · 1 event here
• Tornado, April 9, 2015EF4 · 7 events here
• Tornado, June 13, 1975F3 · 1 event here
• Tornado, August 15, 1978$250,000 · F3 · 1 event here
• Tornado, April 27, 1984F3 · 1 event here
• Tornado, March 27, 1991F3 · 4 events here
• Tornado, January 7, 20081 injured · $2.0 million · EF3 · 2 events here
• Tornado, June 11, 2026EF3 · 6 events here
• Tornado, October 9, 19581 death · $2.5 million · F2 · 1 event here
• Tornado, October 8, 19591 injured · $250,000 · F2 · 1 event here
• Tornado, April 19, 1963$250,000 · F2 · 1 event here
• Tornado, May 20, 1975F2 · 2 events here
• Tornado, June 18, 1975F2 · 1 event here

Every tornado in McHenry County, with its track

• Excessive Heat, June 29, 20261 event here
• High Wind, June 28, 202652 kt wind · 1 event here
• Tornado, June 24, 2026EF0 · 5 events here
• Tornado, June 11, 2026EF3 · 6 events here
• Tornado, June 10, 2026EF0 · 4 events here
• Tornado, April 17, 2026EF1 · 4 events here
• Flash Flood, April 15, 20261 in hail · 1 event here
• Flash Flood, April 14, 20261.75 in hail · 3 events here
• Tornado, April 2, 2026EF1 · 5 events here
• Winter Storm, March 15, 20261 event here
• Extreme Cold/Wind Chill, January 23, 20261 event here
• Cold/Wind Chill, January 19, 20261 event here
• High Wind, January 14, 202661 kt wind · 1 event here
• High Wind, December 28, 202552 kt wind · 1 event here
• Cold/Wind Chill, December 14, 20251 event here
• Winter Storm, December 6, 20251 event here
• Winter Storm, November 28, 202550 kt wind · 1 event here
• Hail, September 21, 20251.25 in hail · 2 events here
• Flash Flood, August 17, 202556 kt wind · 1 event here
• Hail, August 16, 20251.5 in hail · 10 events here
• Flood, July 11, 202555 kt wind · 1 event here
• Flash Flood, July 10, 20252 in hail · 1 event here
• Thunderstorm Wind, June 26, 202552 kt wind · 3 events here
• Excessive Heat, June 21, 20251 event here
• Tornado, June 3, 2025EF0 · 9 events here
• Hail, May 15, 20253 in hail · 5 events here
• Thunderstorm Wind, March 30, 202564 kt wind · 1 event here
• Tornado, March 14, 2025EF0 · 7 events here
• Cold/Wind Chill, February 17, 20251 event here
• Cold/Wind Chill, February 17, 20251 event here
• Winter Weather, February 12, 20251 event here
• Winter Weather, February 5, 20251 event here
• Drought, November 1, 20241 event here
• High Wind, October 31, 2024$50,000 · 1 event here
• Hail, August 27, 20242.5 in hail · 7 events here
• Thunderstorm Wind, August 6, 202452 kt wind · 7 events here
• Flash Flood, July 23, 202460 kt wind · 1 event here
• Tornado, July 15, 2024EF2 · 3 events here
• Tornado, July 14, 2024EF1 · 4 events here
• Hail, June 25, 20241 in hail · 3 events here
• Hail, June 24, 20241 injured · 1 in hail · 1 event here
• Tornado, June 22, 2024EF0 · 17 events here
• Dust Storm, June 16, 202452 kt wind · 1 event here
• Thunderstorm Wind, May 21, 202460 kt wind · 1 event here
• Tornado, May 7, 2024EF0 · 3 events here
• Hail, May 4, 20241 in hail · 1 event here
• Winter Storm, March 22, 20241 event here
• Tornado, February 27, 2024EF1 · 1 event here
• Winter Weather, January 22, 20241 event here
• Extreme Cold/Wind Chill, January 14, 20242 events here
• Winter Storm, January 12, 202450 kt wind · 2 events here
• Winter Storm, January 8, 20241 event here
• Drought, September 1, 20231 event here
• Excessive Heat, August 23, 20231 event here
• Thunderstorm Wind, August 11, 202360 kt wind · 3 events here
• Excessive Heat, July 26, 20231 event here
• Thunderstorm Wind, July 26, 202361 kt wind · 2 events here
• Tornado, July 12, 2023EF1 · 2 events here
• Drought, July 1, 20231 event here
• Hail, June 29, 20232 in hail · 1 event here
• Drought, June 13, 20231 event here
• Tornado, May 31, 202353 kt wind · 1 event here
• Hail, April 20, 20231.75 in hail · 3 events here
• Flood, April 4, 20233 in hail · 1 event here
• Tornado, March 31, 2023EF2 · 7 events here
• Winter Storm, March 9, 20231 event here
• Ice Storm, February 22, 20231 event here
• Winter Storm, February 16, 20231 event here
• Thunderstorm Wind, February 14, 202358 kt wind · 1 event here
• Winter Storm, January 28, 20231 event here
• Winter Storm, December 22, 20221 event here
• Extreme Cold/Wind Chill, December 22, 20221 event here
• Tornado, November 5, 2022EF0 · 3 events here
• Thunderstorm Wind, October 12, 202252 kt wind · 2 events here
• Flood, August 28, 20221.5 in hail · 1 event here
• Tornado, July 22, 2022EF0 · 2 events here
• Heat, July 5, 20221 event here
• Flash Flood, July 5, 20221 in hail · 4 events here
• Flood, July 4, 202265 kt wind · 6 events here
• Excessive Heat, June 13, 20221 event here
• Tornado, June 13, 2022EF0 · 1 event here
• High Wind, April 14, 202255 kt wind · 1 event here
• Winter Weather, April 2, 20221 event here
• Funnel Cloud, March 23, 20221 event here
• Thunderstorm Wind, March 5, 202270 kt wind · 5 events here
• Drought, March 1, 20221 event here
• Winter Weather, February 24, 20221 event here
• Flash Flood, February 22, 20220.88 in hail · 1 event here
• Winter Weather, February 18, 20221 event here
• Winter Weather, February 7, 20221 event here
• Drought, February 1, 20221 event here
• Extreme Cold/Wind Chill, January 25, 20221 event here
• Winter Weather, January 22, 20221 event here
• Winter Weather, January 8, 20221 event here
• Drought, January 1, 20221 event here
• Winter Storm, January 1, 20221 event here
• High Wind, December 15, 202160 kt wind · 4 events here
• High Wind, December 11, 202156 kt wind · 1 event here
• Drought, December 1, 20211 event here
• Drought, November 1, 20211 event here
• Flash Flood, October 24, 202150 kt wind · 1 event here
• Drought, October 1, 20211 event here
• Hail, September 7, 20212 in hail · 9 events here
• Drought, September 1, 20211 event here
• Flash Flood, August 24, 20211 in hail · 1 event here
• Thunderstorm Wind, August 11, 202170 kt wind · 4 events here
• Tornado, August 10, 202160 kt wind · 11 events here
• Tornado, August 9, 2021EF1 · 1 event here
• Drought, August 1, 20211 event here
• Thunderstorm Wind, July 29, 202165 kt wind · 9 events here
• Thunderstorm Wind, July 14, 202160 kt wind · 1 event here
• Drought, July 1, 20211 event here
• Drought, June 1, 20211 event here
• Drought, May 18, 20211 event here
• High Wind, May 1, 202152 kt wind · 1 event here
• Winter Storm, February 15, 20211 event here
• Cold/Wind Chill, February 14, 20211 event here
• Extreme Cold/Wind Chill, February 13, 20211 event here
• Winter Storm, February 4, 20211 event here
• Winter Storm, January 30, 20211 event here
• Winter Storm, January 25, 20211 event here
• Winter Weather, January 19, 20211 event here
• Ice Storm, January 1, 20211 event here
• Winter Storm, December 29, 20201 event here
• Tornado, November 10, 2020EF0 · 3 events here
• Thunderstorm Wind, August 25, 202055 kt wind · 1 event here
• Tornado, August 10, 2020EF1 · 5 events here
• Hail, July 7, 20201 in hail · 1 event here
• Flood, June 29, 20201 in hail · 2 events here
• Tornado, May 23, 2020EF1 · 2 events here
• Flash Flood, May 14, 202060 kt wind · 1 event here
• Hail, April 7, 20203 in hail · 2 events here
• Ice Storm, January 10, 20201 event here
• Winter Weather, October 31, 20191 event here
• Flash Flood, September 12, 201955 kt wind · 1 event here
• Flash Flood, September 11, 201952 kt wind · 2 events here
• Flood, August 18, 201955 kt wind · 1 event here
• Thunderstorm Wind, July 20, 201955 kt wind · 4 events here
• Tornado, June 30, 201964 kt wind · 2 events here
• Thunderstorm Wind, June 24, 201950 kt wind · 1 event here
• Flood, June 1, 20191.5 in hail · 1 event here
• Winter Storm, April 27, 20191 event here
• Winter Storm, April 14, 20191 event here
• High Wind, February 24, 201956 kt wind · 1 event here
• Winter Weather, February 17, 20191 event here
• Ice Storm, February 11, 20191 event here
• Ice Storm, February 5, 20191 event here
• Extreme Cold/Wind Chill, January 29, 20191 event here
• Winter Storm, January 27, 20191 event here
• Winter Weather, January 22, 20191 event here
• Winter Storm, January 18, 20191 event here
• Winter Storm, November 25, 20181 event here
• High Wind, October 20, 201856 kt wind · 2 events here
• Thunderstorm Wind, September 25, 2018$10,000 · 65 kt wind · 3 events here
• Tornado, September 3, 2018EF0 · 2 events here
• Flood, September 2, 2018$105,000 · 5 events here
• Flood, August 28, 2018$1,000 · 1 in hail · 1 event here
• Flood, May 2, 20183 in hail · 2 events here
• Winter Storm, February 8, 20181 event here
• Extreme Cold/Wind Chill, January 1, 20181 event here
• Flood, July 23, 20171.5 in hail · 1 event here
• Flood, July 19, 201761 kt wind · 1 event here
• Hail, July 16, 20171.75 in hail · 1 event here
• Flash Flood, July 11, 2017$3.9 million · 1 in hail · 2 events here
• Tornado, June 28, 2017EF1 · 2 events here
• Thunderstorm Wind, June 17, 2017$3,000 · 60 kt wind · 6 events here
• Flood, June 14, 20171.25 in hail · 4 events here
• Tornado, May 17, 2017EF1 · 2 events here
• Hail, April 10, 20172 in hail · 2 events here
• Thunderstorm Wind, September 7, 201652 kt wind · 1 event here
• Flash Flood, July 23, 20161 in hail · 1 event here
• Thunderstorm Wind, July 21, 201655 kt wind · 3 events here
• Hail, July 6, 201665 kt wind · 2 events here
• Tornado, June 22, 2016EF2 · 1 event here
• Hail, April 25, 20161.75 in hail · 2 events here
• High Wind, March 16, 201650 kt wind · 1 event here
• Cold/Wind Chill, January 11, 20161 death · 1 event here
• Ice Storm, December 28, 20151 event here
• Heavy Snow, November 20, 20151 event here
• Hail, September 3, 20150.88 in hail · 1 event here
• Hail, August 10, 201550 kt wind · 1 event here
• Tornado, August 2, 2015EF1 · 6 events here
• Tornado, July 18, 2015EF0 · 2 events here
• Hail, July 13, 20153.75 in hail · 1 event here
• Hail, July 13, 201557 kt wind · 1 event here
• Hail, June 8, 20151.75 in hail · 1 event here
• Tornado, April 9, 2015EF4 · 7 events here
• Hail, April 8, 20151.25 in hail · 1 event here
• Heavy Snow, March 23, 20151 event here
• Blizzard, February 1, 20151 event here
• Hail, August 26, 20141.25 in hail · 1 event here
• Tornado, June 30, 2014EF2 · 1 event here
• Thunderstorm Wind, June 30, 2014$65,000 · 60 kt wind · 2 events here
• Hail, June 17, 201460 kt wind · 1 event here
• Flash Flood, May 20, 20142.75 in hail · 1 event here
• Flash Flood, May 12, 20142 in hail · 1 event here
• Flash Flood, May 11, 20141.25 in hail · 5 events here
• Hail, April 12, 2014$100,000 · 2 in hail · 12 events here
• Extreme Cold/Wind Chill, January 6, 20141 event here
• Heavy Snow, December 21, 20131 event here
• Flash Flood, October 5, 20131 in hail · 1 event here
• Hail, August 30, 20131.75 in hail · 3 events here
• Hail, July 20, 20132.75 in hail · 3 events here
• Flash Flood, June 26, 20132 events here
• Tornado, June 12, 2013EF1 · 1 event here
• Tornado, April 17, 2013EF0 · 1 event here
• Winter Storm, March 5, 20131 event here
• Heavy Snow, February 26, 20131 event here
• Heavy Snow, February 7, 20131 event here
• Hail, September 4, 201256 kt wind · 1 event here
• Flash Flood, August 4, 20121 in hail · 1 event here
• Thunderstorm Wind, July 24, 2012$2,000 · 65 kt wind · 3 events here
• Flash Flood, July 18, 201261 kt wind · 1 event here
• Excessive Heat, July 4, 20121 event here
• Hail, May 26, 20120.88 in hail · 3 events here
• Hail, May 20, 20121 in hail · 5 events here
• Flood, March 17, 2012$5,000 · 1 in hail · 7 events here
• Winter Storm, February 23, 20121 death · 1 event here
• Winter Storm, January 20, 20121 event here
• Winter Storm, January 12, 20121 event here
• Hail, August 20, 20111 in hail · 2 events here
• Hail, August 2, 20111 in hail · 1 event here
• Flood, July 27, 2011$360,000 · 70 kt wind · 3 events here
• Flash Flood, July 22, 2011$30,000 · 55 kt wind · 1 event here
• Thunderstorm Wind, July 11, 2011$118,000 · 75 kt wind · 8 events here
• Tornado, June 21, 2011$10,000 · EF1 · 3 events here
• Hail, June 19, 20111.25 in hail · 2 events here
• Flash Flood, June 8, 20111.75 in hail · 1 event here
• Tornado, May 22, 2011$1,000 · EF1 · 2 events here
• Hail, May 12, 20111 in hail · 3 events here
• Flood, May 11, 2011$5,000 · 1.5 in hail · 11 events here
• Flood, March 20, 20111 in hail · 8 events here
• Blizzard, February 1, 20111 event here
• Winter Storm, December 11, 20103 injured · 1 event here
• Tornado, November 22, 2010EF2 · 2 events here
• High Wind, October 26, 2010$100,000 · 62 kt wind · 1 event here
• Hail, September 21, 20101 in hail · 3 events here
• Flood, August 13, 201055 kt wind · 2 events here
• Flood, June 23, 201056 kt wind · 1 event here
• Tornado, June 21, 2010$500 · EF0 · 1 event here
• Flash Flood, June 18, 2010$1,000 · 1 in hail · 3 events here
• Hail, April 5, 2010$40,000 · 2.75 in hail · 9 events here
• Winter Storm, February 8, 20101 event here
• Winter Storm, January 6, 20101 event here
• Winter Storm, December 26, 20091 event here
• Ice Storm, December 23, 20091 event here
• Winter Storm, December 8, 20091 event here
• Tornado, July 30, 2009$1,000 · EF0 · 1 event here
• Hail, July 22, 20090.88 in hail · 2 events here
• Flash Flood, June 19, 2009$50,000 · 1.75 in hail · 3 events here

Earlier years, state by state:

• 2009
• 2008
• 2007
• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1993
• 1992
• 1991
• 1990
• 1989
• 1988
• 1987
• 1986
• 1985
• 1984
• 1983
• 1981
• 1980
• 1978
• 1975
• 1974
• 1973
• 1972
• 1970
• 1968
• 1967
• 1965
• 1963
• 1960
• 1959
• 1958

Tornadoes in McHenry CountyEvery warning in McHenry County since 1986Every county in Illinois

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.