Storm History: Cook County, Illinois

Events

2,998

Deaths

74

Injuries

922

Damage

$1.7 billion

Episodes

818

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 Cook County

• Tornado, April 21, 196733 deaths · 500 injured · $25 million · F4 · 4 events here
• Flash Flood, September 13, 20082 deaths · $36 million · 4 events here
• Tornado, March 12, 19762 deaths · 41 injured · $2.5 million · F3 · 1 event here
• Tornado, June 13, 19762 deaths · 23 injured · $2.5 million · F4 · 2 events here
• Tornado, May 5, 19912 deaths · 2 injured · F1 · 2 events here
• Rip Current, September 10, 20202 deaths · 2 events here
• High Surf, June 21, 20252 deaths · 1 injured · 2 events here
• Tornado, March 4, 19611 death · 115 injured · $25 million · F2 · 1 event here
• Tornado, August 23, 20071 death · 1 injured · $985,000 · EF1 · 38 events here
• Flash Flood, June 18, 20101 death · 6 injured · $666,000 · 1 in hail · 27 events here
• Thunderstorm Wind, July 11, 20111 death · 6 injured · $256,000 · 75 kt wind · 31 events here
• Thunderstorm Wind, September 5, 20141 death · 4 injured · $175,000 · 65 kt wind · 8 events here
• Flash Flood, October 13, 20011 death · 6 injured · $5,000 · 50 kt wind · 2 events here
• Tornado, June 9, 19661 death · 30 injured · F2 · 6 events here
• Tornado, March 15, 19841 death · F0 · 1 event here
• Tornado, June 29, 19901 death · 6 injured · F1 · 1 event here
• Tornado, May 31, 19911 death · F1 · 3 events here
• Lightning, May 9, 19961 death · 1 event here
• Lightning, June 17, 19961 death · 1 event here
• Flood, August 4, 19981 death · 1 event here

• Flash Flood, July 2, 2023$500 million · 18 events here
• Flash Flood, August 17, 2025$287 million · 56 kt wind · 16 events here
• Flash Flood, July 23, 2010$254 million · 61 kt wind · 7 events here
• Flash Flood, July 25, 2025$200 million · 2 events here
• Flash Flood, August 21, 2014$50 million · 58 kt wind · 3 events here
• Flash Flood, September 17, 2023$50 million · 3 events here
• Flash Flood, July 17, 1996$45 million · 1 event here
• Flash Flood, August 2, 2001$37 million · 1 event here
• Flash Flood, September 13, 20082 deaths · $36 million · 4 events here
• Flash Flood, July 22, 2011$35 million · 60 kt wind · 5 events here
• Tornado, April 21, 196733 deaths · 500 injured · $25 million · F4 · 4 events here
• Tornado, March 4, 19611 death · 115 injured · $25 million · F2 · 1 event here
• Tornado, November 12, 1965$25 million · F2 · 2 events here
• Tornado, March 27, 19917 injured · $25 million · F3 · 7 events here
• Flash Flood, September 14, 2008$20 million · 4 events here
• Tornado, April 17, 2013$18 million · EF0 · 4 events here
• Hail, June 30, 2011$18 million · 2.75 in hail · 13 events here
• Flash Flood, August 18, 2025$7.5 million · 56 kt wind · 3 events here
• Tornado, June 7, 2008$5.0 million · EF2 · 3 events here
• Thunderstorm Wind, July 5, 2003$5.0 million · 90 kt wind · 1 event here

• Hail, July 13, 2015$100,000 · 3.75 in hail · 4 events here
• Hail, May 12, 20003.5 in hail · 1 event here
• Hail, May 15, 20253 in hail · 35 events here
• Flood, April 4, 20233 in hail · 40 events here
• Hail, April 7, 20203 in hail · 6 events here
• Flood, May 2, 2018$100,000 · 3 in hail · 5 events here
• Tornado, July 26, 19783 in hail · 1 event here
• Tornado, August 3, 19673 in hail · 1 event here
• Flash Flood, May 20, 2014$570,000 · 2.75 in hail · 18 events here
• Hail, June 30, 2011$18 million · 2.75 in hail · 13 events here
• Hail, April 5, 2010$928,000 · 2.75 in hail · 23 events here
• Flood, May 19, 20052.75 in hail · 1 event here
• Hail, May 18, 20002.75 in hail · 3 events here
• Hail, July 7, 19912.75 in hail · 1 event here
• Hail, August 27, 20242.5 in hail · 9 events here

• Tornado, April 21, 196733 deaths · 500 injured · $25 million · F4 · 4 events here
• Tornado, June 13, 19762 deaths · 23 injured · $2.5 million · F4 · 2 events here
• Tornado, April 17, 1963F4 · 3 events here
• Tornado, April 11, 1965F4 · 2 events here
• Tornado, September 28, 1972F4 · 1 event here
• Tornado, May 5, 1977F4 · 2 events here
• Tornado, April 3, 1981F4 · 1 event here
• Tornado, April 9, 2015EF4 · 1 event here
• Tornado, March 12, 19762 deaths · 41 injured · $2.5 million · F3 · 1 event here
• Tornado, March 6, 1956F3 · 1 event here
• Tornado, April 24, 1961F3 · 1 event here
• Tornado, May 15, 1968F3 · 1 event here
• Tornado, April 3, 1974F3 · 4 events here
• Tornado, June 13, 1975F3 · 1 event here
• Tornado, July 23, 1975F3 · 1 event here

Every tornado in Cook County, with its track

• Excessive Heat, June 29, 20263 events here
• High Wind, June 28, 202652 kt wind · 1 event here
• Tornado, June 24, 2026EF0 · 14 events here
• Tornado, June 17, 2026EF0 · 1 event here
• Thunderstorm Wind, June 13, 20261 injured · 65 kt wind · 2 events here
• Tornado, June 11, 20266 injured · EF3 · 42 events here
• Tornado, June 10, 2026EF0 · 67 events here
• Tornado, May 18, 2026EF0 · 12 events here
• Tornado, April 17, 2026EF1 · 5 events here
• High Surf, April 16, 20261 death · 1 event here
• Flash Flood, April 14, 20261.75 in hail · 5 events here
• Tornado, April 2, 2026EF1 · 6 events here
• Hail, March 30, 20262 in hail · 8 events here
• Hail, March 26, 20261 in hail · 3 events here
• Winter Storm, March 15, 20263 events here
• Flash Flood, March 15, 202655 kt wind · 5 events here
• High Wind, March 13, 202660 kt wind · 14 events here
• Tornado, March 10, 2026EF3 · 5 events here
• Flash Flood, March 6, 202650 kt wind · 2 events here
• Winter Storm, January 24, 20263 events here
• Extreme Cold/Wind Chill, January 23, 20263 events here
• Cold/Wind Chill, January 19, 20263 events here
• High Wind, January 14, 202661 kt wind · 3 events here
• Flash Flood, January 8, 202650 kt wind · 6 events here
• High Wind, December 28, 202552 kt wind · 3 events here
• Cold/Wind Chill, December 14, 20253 events here
• Winter Storm, December 6, 20253 events here
• Winter Weather, December 1, 20253 events here
• Winter Storm, November 28, 202550 kt wind · 3 events here
• High Wind, November 26, 202552 kt wind · 1 event here
• Winter Storm, November 9, 20253 events here
• High Wind, October 21, 202550 kt wind · 1 event here
• Hail, September 21, 20251.25 in hail · 2 events here
• High Surf, August 20, 20251 death · 1 event here
• Flash Flood, August 18, 2025$7.5 million · 56 kt wind · 3 events here
• Flash Flood, August 17, 2025$287 million · 56 kt wind · 16 events here
• Hail, August 16, 20251.5 in hail · 22 events here
• Flash Flood, August 12, 20251 injured · 10 events here
• Flood, August 11, 202552 kt wind · 6 events here
• Flood, July 28, 202550 kt wind · 2 events here
• Flash Flood, July 27, 20251 event here
• Flash Flood, July 25, 2025$200 million · 2 events here
• Flash Flood, July 24, 20251 injured · 70 kt wind · 28 events here
• Excessive Heat, July 23, 20253 events here
• Thunderstorm Wind, July 16, 202565 kt wind · 19 events here
• Flood, July 11, 202555 kt wind · 2 events here
• Flash Flood, July 8, 2025$400,000 · 2 events here
• Flood, July 6, 20251 event here
• High Surf, June 21, 20252 deaths · 1 injured · 2 events here
• Excessive Heat, June 21, 20253 events here
• Flood, June 18, 202556 kt wind · 1 event here
• Tornado, June 3, 2025EF0 · 1 event here
• Dust Storm, May 16, 20251 in hail · 5 events here
• Hail, May 15, 20253 in hail · 35 events here
• Tornado, April 2, 2025EF1 · 3 events here
• Thunderstorm Wind, March 30, 202564 kt wind · 3 events here
• Tornado, March 19, 2025EF1 · 5 events here
• High Wind, March 14, 2025$5,000 · 1 event here
• Tornado, March 14, 2025EF0 · 1 event here
• Cold/Wind Chill, February 17, 20252 events here
• Winter Weather, February 12, 20251 event here
• Winter Weather, February 8, 20252 events here
• Winter Weather, February 5, 20253 events here
• Flood, January 31, 20255 events here
• Drought, October 15, 20241 event here
• Flood, September 24, 20244 events here
• Hail, August 27, 20242.5 in hail · 9 events here
• Thunderstorm Wind, August 16, 202460 kt wind · 3 events here
• Hail, August 5, 20242 in hail · 2 events here
• Flash Flood, July 23, 202460 kt wind · 6 events here
• Tornado, July 15, 2024EF2 · 44 events here
• Tornado, July 14, 2024EF1 · 13 events here
• Flash Flood, July 13, 202460 kt wind · 4 events here
• Flash Flood, July 9, 2024$50,000 · 1 event here
• Rip Current, July 1, 20241 death · 1 event here
• Rip Current, June 30, 20241 death · 3 injured · 1 event here
• Hail, June 24, 20241 in hail · 4 events here
• Tornado, June 22, 2024EF0 · 3 events here
• Strong Wind, June 17, 20241 death · 1 injured · 1 event here
• Dust Storm, June 16, 202452 kt wind · 3 events here
• Flood, June 4, 202458 kt wind · 4 events here
• Flood, May 26, 20241 event here
• Hail, May 24, 20241 in hail · 2 events here
• Thunderstorm Wind, May 21, 202460 kt wind · 5 events here
• Hail, May 20, 20241 injured · 1 in hail · 9 events here
• Flash Flood, May 13, 202450 kt wind · 1 event here
• Tornado, May 7, 2024EF0 · 24 events here
• Flood, May 2, 20241 in hail · 6 events here
• Thunderstorm Wind, March 26, 202450 kt wind · 2 events here
• Flood, March 14, 20243 events here
• Hail, March 4, 20241 in hail · 1 event here
• Tornado, February 27, 2024EF1 · 27 events here
• Hail, February 8, 20241 in hail · 1 event here
• Winter Weather, January 22, 20243 events here
• Extreme Cold/Wind Chill, January 14, 20246 events here
• Winter Storm, January 12, 20241 death · 50 kt wind · 6 events here
• Winter Storm, January 8, 20243 events here
• Flood, September 26, 20233 events here
• Flash Flood, September 17, 2023$50 million · 3 events here
• Flash Flood, September 6, 202355 kt wind · 2 events here
• Excessive Heat, August 23, 20233 events here
• Rip Current, August 15, 20231 death · 1 event here
• Tornado, August 14, 20231 event here
• Tornado, July 28, 2023EF1 · 8 events here
• Excessive Heat, July 26, 20233 events here
• Tornado, July 14, 2023EF0 · 12 events here
• Tornado, July 12, 20231 injured · EF1 · 7 events here
• Flood, July 11, 202359 kt wind · 3 events here
• Flash Flood, July 5, 202352 kt wind · 14 events here
• Flash Flood, July 2, 2023$500 million · 18 events here
• Drought, July 1, 20233 events here
• Hail, June 29, 20232 in hail · 1 event here
• Thunderstorm Wind, June 24, 202356 kt wind · 2 events here
• Rip Current, June 21, 20231 death · 1 event here
• Drought, June 13, 20233 events here
• Hail, April 20, 20231.75 in hail · 13 events here
• Thunderstorm Wind, April 5, 202369 kt wind · 2 events here
• Flood, April 4, 20233 in hail · 40 events here
• Tornado, March 31, 2023EF2 · 16 events here
• Tornado, February 27, 20231 injured · EF0 · 1 event here
• Ice Storm, February 22, 20232 events here
• Winter Storm, February 16, 20234 injured · 4 events here
• Winter Storm, January 28, 20233 events here
• Winter Storm, December 22, 20223 events here
• Extreme Cold/Wind Chill, December 22, 20223 events here
• Tornado, November 5, 2022EF0 · 10 events here
• Flash Flood, September 11, 2022$3.1 million · 50 kt wind · 3 events here
• Hail, August 29, 20221.75 in hail · 40 events here
• Flood, August 28, 20221.5 in hail · 3 events here
• Rip Current, August 11, 20221 death · 1 event here
• Flash Flood, August 7, 20222 events here
• Hail, August 3, 20221 injured · 1 in hail · 10 events here
• Tornado, July 22, 2022EF0 · 5 events here
• Rip Current, July 13, 20222 injured · 2 events here
• Thunderstorm Wind, July 11, 202260 kt wind · 2 events here
• Heat, July 5, 20222 events here
• Flash Flood, July 5, 20221 in hail · 2 events here
• Flood, July 4, 202265 kt wind · 23 events here
• Excessive Heat, June 13, 20223 events here
• Tornado, June 13, 20223 injured · EF0 · 56 events here
• Funnel Cloud, May 25, 20222 events here
• Flood, May 3, 20222 events here
• Tornado, April 30, 2022EF0 · 2 events here
• High Wind, April 14, 202255 kt wind · 1 event here
• Thunderstorm Wind, April 13, 202260 kt wind · 1 event here
• Thunderstorm Wind, March 25, 202263 kt wind · 1 event here
• Thunderstorm Wind, March 5, 202270 kt wind · 10 events here
• Winter Weather, February 24, 20223 events here
• Flash Flood, February 22, 20220.88 in hail · 2 events here
• Winter Storm, February 17, 20223 events here
• Winter Weather, February 7, 20221 event here
• Winter Storm, February 1, 20223 events here
• Lake-Effect Snow, January 28, 20223 events here
• Extreme Cold/Wind Chill, January 25, 20221 event here
• Winter Weather, January 22, 20223 events here
• Winter Weather, January 8, 20223 events here
• Winter Storm, January 1, 20223 events here
• High Wind, December 15, 202160 kt wind · 4 events here
• High Wind, December 11, 202156 kt wind · 3 events here
• Flash Flood, October 24, 202150 kt wind · 3 events here
• Tornado, October 11, 2021EF0 · 3 events here
• Rip Current, September 18, 20211 death · 1 injured · 1 event here
• Hail, September 7, 20212 in hail · 2 events here
• Thunderstorm Wind, August 29, 202155 kt wind · 1 event here
• Flood, August 25, 20211 in hail · 1 event here
• Flash Flood, August 24, 20211 in hail · 7 events here
• Rip Current, August 22, 20211 death · 1 event here
• Thunderstorm Wind, August 11, 202170 kt wind · 4 events here
• Tornado, August 10, 202160 kt wind · 15 events here
• Thunderstorm Wind, July 29, 202165 kt wind · 19 events here
• Thunderstorm Wind, July 28, 202160 kt wind · 5 events here
• Flood, July 24, 202160 kt wind · 7 events here
• Tornado, June 26, 20211 injured · EF0 · 9 events here
• Tornado, June 20, 2021EF3 · 8 events here
• Hail, June 18, 20211 in hail · 4 events here
• Flood, June 12, 20211.25 in hail · 6 events here
• Drought, June 1, 20212 events here
• Strong Wind, May 28, 20211 injured · 1 event here
• Drought, May 18, 20212 events here
• High Wind, May 1, 202152 kt wind · 1 event here
• Thunderstorm Wind, April 29, 202155 kt wind · 1 event here
• Winter Storm, February 15, 20211 death · 1 injured · 3 events here
• Cold/Wind Chill, February 14, 20213 events here
• Extreme Cold/Wind Chill, February 13, 20213 events here
• Winter Storm, February 4, 20213 events here
• Winter Storm, January 30, 20213 events here
• Winter Storm, January 25, 20213 events here
• Winter Weather, January 19, 20212 events here
• Ice Storm, January 1, 20213 events here
• High Wind, November 15, 202060 kt wind · 3 events here
• Tornado, November 10, 2020EF0 · 7 events here
• Flood, October 22, 20208 events here
• Rip Current, September 10, 20202 deaths · 2 events here
• Hail, August 23, 20201.25 in hail · 4 events here
• Tornado, August 10, 20201 death · EF1 · 42 events here
• Flood, August 2, 20201 event here
• Flood, July 19, 202060 kt wind · 8 events here
• Thunderstorm Wind, July 9, 202065 kt wind · 1 event here
• Hail, July 7, 20201 in hail · 3 events here
• Flash Flood, June 26, 20201.5 in hail · 10 events here
• Flood, June 22, 20201.5 in hail · 2 events here
• Flood, June 21, 20201 event here
• Hail, June 10, 20202 in hail · 4 events here
• Tornado, June 9, 202064 kt wind · 14 events here
• Tornado, May 23, 2020EF1 · 1 event here
• Flood, May 17, 20202 events here
• Tornado, May 17, 202016 events here
• Flash Flood, May 14, 202060 kt wind · 5 events here
• Lakeshore Flood, April 29, 20201 event here
• Flood, April 29, 20206 events here
• Winter Weather, April 15, 202014 injured · 3 events here
• Hail, April 7, 20203 in hail · 6 events here
• High Wind, March 29, 202053 kt wind · 2 events here
• Lakeshore Flood, March 6, 20201 event here
• Ice Storm, January 10, 20201 event here
• Flood, October 26, 20191 event here
• Flash Flood, October 2, 20193 events here
• Flash Flood, September 27, 20192.5 in hail · 1 event here
• Flash Flood, September 12, 201955 kt wind · 1 event here
• Flood, August 18, 201955 kt wind · 7 events here
• Thunderstorm Wind, August 13, 201950 kt wind · 1 event here
• Flood, July 18, 20193 events here
• Flood, July 13, 201961 kt wind · 2 events here
• Flash Flood, July 2, 201961 kt wind · 7 events here
• Tornado, June 30, 201964 kt wind · 4 events here
• Hail, June 28, 20191.75 in hail · 5 events here
• Flash Flood, June 26, 20192 in hail · 9 events here
• Hail, June 25, 20191 in hail · 3 events here
• Flash Flood, June 4, 201960 kt wind · 2 events here
• Flood, June 1, 20191.5 in hail · 8 events here
• Tornado, May 27, 2019EF0 · 15 events here
• Thunderstorm Wind, May 19, 2019$20,000 · 61 kt wind · 1 event here
• Hail, May 16, 20192.25 in hail · 2 events here
• Flood, May 1, 20195 events here
• Flood, December 1, 20180.75 in hail · 1 event here
• Thunderstorm Wind, September 25, 201865 kt wind · 1 event here
• Tornado, September 3, 2018$25,000 · EF0 · 9 events here
• Flood, September 2, 20181 event here
• Thunderstorm Wind, September 1, 2018$5,000 · 60 kt wind · 1 event here
• Flood, August 28, 2018$20,000 · 1 in hail · 2 events here
• Flash Flood, August 7, 2018$100,000 · 6 events here
• Flood, July 5, 201855 kt wind · 1 event here
• Flash Flood, July 4, 20182 injured · 3 events here
• Flood, June 22, 20181 event here
• Flash Flood, June 9, 20181 event here
• Tornado, May 30, 2018$50,000 · EF0 · 4 events here
• Flood, May 21, 20187 events here
• Hail, May 14, 20181 in hail · 1 event here
• Hail, May 9, 20181.25 in hail · 2 events here
• Flood, May 2, 2018$100,000 · 3 in hail · 5 events here

Earlier years, state by state:

• 2017
• 2016
• 2015
• 2014
• 2013
• 2012
• 2011
• 2010
• 2009
• 2008
• 2007
• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1994
• 1993
• 1992
• 1991
• 1990
• 1989
• 1988
• 1987
• 1986
• 1985
• 1984
• 1983
• 1982
• 1981
• 1980
• 1979
• 1978
• 1977
• 1976
• 1975
• 1974
• 1973
• 1972
• 1971
• 1970
• 1969
• 1968
• 1967
• 1966
• 1965
• 1964
• 1963
• 1962
• 1961
• 1960
• 1959
• 1958
• 1957
• 1956
• 1955
• 1954

Tornadoes in Cook CountyEvery warning in Cook 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.