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.
LightningMarch 29, 2007
Jackson · 1 killed ·
Extreme Cold/Wind ChillMarch 2, 2007
Cook · 1 killed ·
Extreme Cold/Wind ChillFebruary 3, 2007
Kane · 1 killed ·
Extreme Cold/Wind ChillFebruary 3, 2007
Grundy · 1 killed ·
HeatAugust 1, 2006
Madison · 1 killed ·
HeatAugust 1, 2006
Winnebago · 1 killed ·
HeatJuly 30, 2006
Peoria · 1 killed ·
HeatJuly 29, 2006
St. Clair · 1 killed ·
LightningJune 2, 2006
Kane · 1 killed · 1 injured ·
HeatMay 30, 2006
Cook · 1 killed ·
Tornado (F2)April 2, 2006
St. Clair · 1 killed · 11 injured ·
Cold/Wind ChillFebruary 18, 2006
Cook · 1 killed ·
Cold/Wind ChillDecember 25, 2005
Cook · 1 killed ·
HeatAugust 19, 2005
Mclean · 1 killed ·
HeatAugust 8, 2005
Cook · 1 killed ·
HeatJuly 22, 2005
Sangamon · 1 killed ·
HeatJuly 20, 2005
Washington · 1 killed ·
LightningJune 26, 2005
Du Page · 1 killed · 1 injured ·
HeatJune 23, 2005
Madison · 1 killed ·
HeatJune 23, 2005
St. Clair · 1 killed ·
Cold/Wind ChillDecember 23, 2004
Williamson · 1 killed ·
Tornado (F1)May 24, 2004
Scott · 1 killed · 1 injured ·
Cold/Wind ChillMarch 9, 2004
Cook · 1 killed ·
Cold/Wind ChillMarch 8, 2004
Cook · 1 killed ·
High WindMarch 5, 2004
Edgar · 1 killed ·
Cold/Wind ChillFebruary 18, 2004
Cook · 1 killed ·
Cold/Wind ChillFebruary 15, 2004
Cook · 1 killed ·
Cold/Wind ChillFebruary 6, 2004
Cook · 1 killed ·
Cold/Wind ChillFebruary 2, 2004
Cook · 1 killed ·
Cold/Wind ChillJanuary 31, 2004
Cook · 1 killed ·
Cold/Wind ChillJanuary 31, 2004
Cook · 1 killed ·
Cold/Wind ChillJanuary 28, 2004
Rock Island · 1 killed ·
Cold/Wind ChillJanuary 25, 2004
Cook · 1 killed ·
Cold/Wind ChillJanuary 19, 2004
Cook · 1 killed ·
Cold/Wind ChillJanuary 18, 2004
Cook · 1 killed ·
Cold/Wind ChillJanuary 15, 2004
Cook · 1 killed ·
Cold/Wind ChillJanuary 7, 2004
Kane · 1 killed ·
Cold/Wind ChillJanuary 6, 2004
Cook · 1 killed ·
Cold/Wind ChillJanuary 6, 2004
Iroquois · 1 killed ·
HeatAugust 24, 2003
St. Clair · 1 killed ·
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.