Tornadoes, hail, floods and severe storms recorded here between 1954 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
The part of each tornado’s path NOAA recorded in this county, 87 in all. Zoom in and the paths widen to their surveyed width.
Hover or tap a bar to see that year.
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
June 13, 1976 · Cook, Illinois
Tornado F4 Tornado2 deaths, 23 injuries, $2.5M damage April 21, 1967 · Cook, Illinois
June 20, 2021 · Cook, Illinois
A tornado which touched down in Naperville and moved across far southern DuPage County crossed into Cook County near 83rd Street. The tornado produced only tree damage along its path in Cook County and the tornado ended near the Buffalo Woods just east of Forest Avenue.
March 27, 1991 · Cook, Illinois
May 28, 2026 · Cook, Illinois
A 32 year old man was found unresponsive in Lake Michigan near Diversey Harbor and was taken to a local hospital in crticial condition and later died. It was unclear whether tha man was swimming or boating.
August 18, 2024 · Cook, Illinois
A 16 year old boy went missing in Lake Michigan at Rainbow Beach on the afternoon of the 18th. His body was recovered three days later. A Beach Hazards Statement was in effect at the time advertising 6 to 10 foot waves and dangerous currents along the Illinois lakeshore.
August 7, 2024 · Cook, Illinois
June 6, 2024 · Cook, Illinois
August 10, 2020 · Cook, Illinois
A corridor of significant straight line wind damage occurred from Harvey east to Calumet City. Numerous trees were uprooted and snapped along this corridor. Some roofs were damaged by falling trees; other roofs suffered minor shingle damage from the strong winds. Some of the wors…
August 3, 2020 · Cook, Illinois
July 16, 2020 · Cook, Illinois
August 22, 2019 · Cook, Illinois
December 29, 2018 · Cook, Illinois
December 21, 2018 · Cook, Illinois
January 24, 2018 · Cook, Illinois
January 18, 2016 · Cook, Illinois
January 11, 2016 · Cook, Illinois
February 3, 2015 · Cook, Illinois
January 12, 2015 · Cook, Illinois
January 7, 2015 · Cook, Illinois
January 5, 2015 · Cook, Illinois
An elderly man died in his garage from hypothermia due to cold exposure.
January 3, 2015 · Cook, Illinois
December 3, 2014 · Cook, Illinois
November 20, 2014 · Cook, Illinois
September 5, 2014 · Cook, Illinois
A large tree was blown down striking and killing a bicyclist on a bike trail.
February 27, 2014 · Cook, Illinois
February 16, 2014 · Cook, Illinois
February 3, 2014 · Cook, Illinois
January 28, 2014 · Cook, Illinois
January 24, 2014 · Cook, Illinois
January 23, 2014 · Cook, Illinois
January 21, 2014 · Cook, Illinois
January 13, 2014 · Cook, Illinois
January 9, 2014 · Cook, Illinois
January 6, 2014 · Cook, Illinois
December 24, 2013 · Cook, Illinois
December 19, 2013 · Cook, Illinois
December 17, 2013 · Cook, Illinois
December 10, 2013 · Cook, Illinois
December 10, 2013 · Cook, Illinois
November 23, 2013 · Cook, Illinois
November 23, 2013 · Cook, Illinois
October 24, 2013 · Cook, Illinois
September 18, 2013 · Cook, Illinois
Thunderstorms training over the Chicago metro area dropped from around 1.5 inches to just over three inches of rain in just a couple hours. A construction worker inside the sewer in the 3000 block of North Rockwell Street was swept away by rushing water after removing his harness…
September 11, 2013 · Cook, Illinois
A man died in his home from heat stroke. High temperatures at O'Hare Airport from September 9th to the 11th were 94, 95, and 91 degrees respectively.
August 30, 2013 · Cook, Illinois
An infant was left in a vehicle in Burbank for 2 1/2 hours and died of heat stroke. The high temperature at O'Hare Airport was 96.
July 19, 2013 · Cook, Illinois
July 16, 2013 · Cook, Illinois
February 25, 2013 · Cook, Illinois
Hypothermia was a contributing factor in the death of a 56-year-old man found outside in the 10000 block of South Wentworth Avenue.
February 9, 2013 · Cook, Illinois
A man in his 60's was found dead near the Dan Ryan Expressway. Cold exposure was a contributing factor to his death according to the Cook County Medical Examiner.