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Illinois storm events

Tornadoes, hurricanes, hail, and severe storms recorded in Illinois between 1950 and 2025, sourced from NOAA's Storm Events Database.

64,070
Storm events
3,460
Tornadoes
0
Hurricanes
1,142
Deaths

Significant recent events in Illinois

Events with deaths, multiple injuries, $1M+ property damage, or EF3+ tornadoes.

December 13, 2025 · Sangamon, Illinois
Heavy Snow Heavy Snow1 death
Weather observers measured 5 to 6 inches of snow across Sangamon County...including 5.5 inches 4 miles west-southwest of Berry and 5.0 inches in Sherman. Due to snow-covered and slick roadways, numerous traffic accidents occurred. A multi-vehicle collision on I-55 near the Clear …
December 13, 2025 · Coles, Illinois
Winter Weather Winter Weather1 death, 1 injury
Weather observers measured 3 to 5 inches of snow across Coles County...including 4.4 inches in Charleston. Due to snow-covered and slick roadways, numerous traffic accidents occurred. A multi-vehicle crash on southbound I-57 near mile marker 193 resulted in one death and one inju…
December 1, 2025 · Knox, Illinois
Winter Weather Winter Weather1 death
A fresh snowfall of 1 to 3 inches led to snow-covered and hazardous roadways across Knox County during the afternoon and evening of December 2nd. A man was killed when his vehicle collided with a semi truck on US Route 34 between Oneida and Wataga.
August 26, 2025 · Monroe, Illinois
Dense Fog Dense Fog1 death
At around 6 AM CDT, deputies were called to the seen of an overturned vehicle with an individual thrown from it at the intersection of Fountain and Levee Roads. The person was pronounced dead at the scene. The official investigation determined that extreme fog was the cause of th…
August 20, 2025 · Northern Cook County, Illinois
High Surf High Surf1 death
August 18, 2025 · Cook, Illinois
Flash Flood Flash Flood$1.5M damage
Extensive flash flooding was reported around southern Cook County. Numerous reports of street and basement flooding came out of Orland Hills, Midlothian, Homer Glen, and Tinley Park. At least one foot of water was reported along 183rd and 179th streets near LaGrange Rd. In Orland…
August 18, 2025 · Cook, Illinois
Flash Flood Flash Flood$3.5M damage
An estimated 700 structures were flooded in southeast Cook County, including Dolton, Harvey, South Holland, and Thornton. Two lanes of I-294 near the quarry in Thornton were covered in water. Damages in the area are estimated at around $3.5 million.
August 18, 2025 · Cook, Illinois
Flash Flood Flash Flood$2.5M damage
An estimated 500 structures flooded around the city of Chicago causing approximately $2.5 million in damages.
August 17, 2025 · Cook, Illinois
Flash Flood Flash Flood$230.0M damage
Roughly 40,000 structures sustained flood damage around the city of Chicago. The greatest impacts were felt across the southwest side near and east of Midway Airport, but reports came in from all across the city. Chicago alone accounted for approximately $230 million in flood dam…
August 17, 2025 · Cook, Illinois
Flash Flood Flash Flood$2.0M damage
Approximately 500 structures were flooded in Chicago's west suburbs, including Northlake and Maywood, totaling about $2 million in damages.
August 17, 2025 · Cook, Illinois
Flash Flood Flash Flood$55.0M damage
Flood damages were estimated at $55 million as around 10,000 structures flooded across Chicago's near southwest suburbs, including Riverside, Berwyn, Cicero, and Summit.
July 25, 2025 · Cook, Illinois
Flash Flood Flash Flood$200.0M damage
Flash flooding was widespread across a narrow corridor in central Cook County roughly along and south of Interstate 55 with the heaviest rain falling near Midway Airport. An estimated 30,000 basements were flooded in Chicago, including in Chicago Lawn, West Lawn, Elsdon, Clearing…
July 23, 2025 · Peoria, Illinois
Heat Heat1 death
A 61-year old man was found unresponsive outdoors in Peoria on July 23rd. Temperatures at the time were in the lower 90s while heat index readings were around 107 degrees. The man was given emergency treatment for hyperthermia, but died in the hospital a short time later.
June 21, 2025 · Central Cook County, Illinois
High Surf High Surf1 death
A 27 year old female was boating with friends off of Grand Ave near Navy Pier on the afternoon of the 21st when she fell into the water. Friends made attempts to save her, throwing ropes, life vests, and even jumping in after her, but were unsuccessful. She was transported to a l…
June 21, 2025 · Central Cook County, Illinois
High Surf High Surf1 death, 1 injury
Six people were boating at 63rd St Beach on the afternoon of the 21st when two of the occupants fell into the water. One managed to get to safety, while the other, a man, remained missing. Rescue efforts turned to recovery efforts in the days following, but were unable to locate …

Counties and zones

Click a county for its full storm history. Some entries are NWS forecast zones rather than civil counties.

Adams (629) Alexander (907) Bond (327) Boone (394) Brown (253) Bureau (667) Calhoun (267) Carroll (591) Cass (305) Cenrtral Cook County (5) Central Cook County (79) Champaign (971) Christian (519) Clark (285) Clay (421) Clinton (462) Coles (503) Cook (2,920) Crawford (336) Cumberland (244) De Kalb (626) De Witt (363) Douglas (348) Du Page (1,145) Eastern Will County (49) Edgar (376) Edwards (610) Effingham (440) Fayette (370) Ford (352) Ford and Iroquois (1) Franklin (941) Fulton (732) Gallatin (757) Greene (303) Grundy (473) Hamilton (646) Hancock (685) Hancock, Henderson and Warren (1) Hardin (551) Henderson (396) Henry (877) Ilz090>094 (1) Iroquois (534) Jackson (1,169) Jasper (280) Jefferson (810) Jersey (380) Jo Daviess (645) Johnson (702) Kane (1,088) Kankakee (643) Kendall (486) Knox (494) La Salle (896) Lake (826) Lawrence (349) Lee (526) Livingston (534) Logan (651) Macon (674) Macoupin (629) Madison (964) Marion (477) Marshall (369) Mason (361) Massac (785) Mcdonough (763) Mchenry (816) Mclean (888) Menard (345) Mercer (520) Monroe (447) Montgomery (515) Morgan (463) Moultrie (266) Northern Cook County (61) Northern Will County (47) Ogle (580) Peoria (841) Perry (778) Piatt (333) Pike (437) Pope (644) Pulaski (747) Putnam (360) Randolph (530) Richland (264) Rock Island (851) Rock Island and Whiteside (1) Saline (800) Sangamon (1,061) Schuyler (313) Scott (247) Shelby (389) Southern Cook County (44) Southern Will County (46) St. Clair (1,036) Stark (268) Stephenson (725) Tazewell (828) Union (753) Vermilion (793) Wabash (760) Warren (469) Washington (434) Wayne (773) White (932) Whiteside (778) Will (1,358) Williamson (873) Winnebago (849) Woodford (545)