DisasterAtlasUSA

This is a record of past federal disaster declarations, not a forecast. Federal assistance figures are aid obligated under specific programs, not total damages. For current threats, check the National Weather Service and FEMA.

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Illinois Storm & Severe Weather History

Since 1996, Illinois has logged 58,918 severe-weather events — about 1,901 a year — with 855 direct deaths, 2,102 injuries and $5.5B in reported property damage.

By event type

Thunderstorm Wind17,54619 d$599.5M
Hail10,498—$216.5M
Flash Flood3,23925 d$2.5B
Flood3,17630 d$274.9M
Winter Storm2,92711 d$81.8M
Winter Weather2,9172 d$1.9M
Tornado2,27754 d$1.7B
Dense Fog2,188—$219K
Heat2,030363 d$25K
Drought1,586——
Heavy Snow1,5128 d$460K
Strong Wind1,5036 d$2.8M
High Wind1,3009 d$37.3M
Excessive Heat1,22460 d$750K
Frost/Freeze1,143——
Cold/Wind Chill903159 d$8K

Events by year

19962026

Notable events (532)

Events with deaths, major damage, or a strong tornado — deadliest first.

Tornado (EF3)December 1, 2018
Christian · 22 injured · $118.9M damage
HailMay 21, 2014
Douglas · 2 injured · $100.0M damage
Flash FloodApril 17, 2013
Peoria · 2 injured · $100.0M damage
Tornado (EF2)June 5, 2010
Peoria · $85.0M damage
Tornado (EF3)November 17, 2013
Champaign · 6 injured · $60.0M damage
Flash FloodAugust 17, 2025
Cook · $55.0M damage
Flash FloodSeptember 17, 2023
Cook · $50.0M damage
Flash FloodAugust 22, 2014
Cook · $50.0M damage
Thunderstorm WindJuly 21, 2003
Henry · $50.0M damage
Flash FloodJuly 12, 2014
Champaign · $47.0M damage
Tornado (EF2)November 17, 2013
Tazewell · 10 injured · $45.0M damage
Flash FloodJuly 17, 1996
Cook · $44.7M damage
Flash FloodApril 18, 2013
Knox · $39.5M damage
Flash FloodAugust 2, 2001
Cook · $37.0M damage
Flash FloodApril 17, 2013
Tazewell · $31.4M damage
Flash FloodJune 24, 2013
Peoria · $30.0M damage
Tornado (EF4)May 16, 2025
Williamson · 7 injured · $25.0M damage
Lakeshore FloodJanuary 11, 2020
Cook · $25.0M damage
Tornado (EF3)June 22, 2015
Grundy · 7 injured · $25.0M damage
Tornado (EF3)November 17, 2013
Woodford · 4 injured · $25.0M damage
FloodJune 2, 2019
Madison · $24.8M damage
FloodMay 1, 2013
Tazewell · $21.7M damage
Flash FloodAugust 26, 2014
Macon · $20.0M damage
Flash FloodJuly 23, 2011
Cook · $20.0M damage
Flash FloodSeptember 14, 2008
Cook · $20.0M damage
Flash FloodSeptember 4, 2006
Winnebago · $20.0M damage
HailJune 30, 2011
Cook · $17.0M damage
FloodMarch 18, 2008
Saline · $16.8M damage
Flash FloodApril 18, 2013
Grundy · $15.0M damage
Tornado (F3)April 8, 1999
Hancock · $15.0M damage
Flash FloodJuly 17, 1996
Kane · $14.5M damage
Flash FloodJuly 27, 2003
Will · $14.0M damage
FloodApril 19, 2013
Woodford · $13.8M damage
Flash FloodApril 17, 2013
Woodford · $13.0M damage
Thunderstorm WindJuly 21, 2006
Jefferson · 5 injured · $13.0M damage
Flash FloodJuly 12, 2017
Lake · $12.7M damage
Flash FloodApril 17, 2013
Fulton · $12.2M damage
Flash FloodAugust 12, 2021
Ford · $12.0M damage
Flash FloodApril 18, 2013
Cook · $12.0M damage
Tornado (EF3)December 31, 2010
Menard · 1 injured · $12.0M damage

Source: NOAA/NCEI Storm Events Database. Counts are every logged event since 1996; the "notable" list is filtered to events with fatalities, major damage or a strong tornado. Damage is the reporting office's estimate. A record of past weather is not a forecast. See About the Data.