Illinois tornado history

3,141 tornadoes in Illinois from 1950 to 2025, killing 269 people. Choose a county to see every track on a map.

McLean County122Will County100Sangamon County92Cook County87Champaign County86Macon County77Logan County73Tazewell County73Vermilion County72Henry County71LaSalle County66Madison County65Kankakee County62St. Clair County61Iroquois County59Christian County58Livingston County54Woodford County54Montgomery County51Fulton County50Macoupin County49Bureau County47DuPage County46Kane County46Mercer County46Randolph County45McDonough County44Morgan County43Whiteside County43Jackson County41Mason County41Monroe County41Rock Island County40Coles County39Ford County39Lee County39Marion County38Peoria County38Warren County38Piatt County37Adams County36Pike County35Shelby County35Washington County35Edgar County34Jefferson County33Knox County33Ogle County33Kendall County32DeKalb County30Douglas County30McHenry County30Wayne County30Hancock County29Clinton County28White County28Effingham County27Fayette County27De Witt County26Grundy County26Boone County25Perry County25Union County25Bond County24Schuyler County24Winnebago County24Williamson County23Lake County22Carroll County21Crawford County21Franklin County21Greene County21Jersey County21Stephenson County21Cass County20Jo Daviess County20Johnson County20Clay County19Saline County19Wabash County19Jasper County18Marshall County18Massac County18Alexander County17Cumberland County17Richland County17Scott County17Menard County16Henderson County15Moultrie County15Stark County15Gallatin County14Hamilton County14Pope County14Clark County13Brown County12Edwards County12Pulaski County12Putnam County12Lawrence County11Calhoun County10Hardin County5

By decade

’50’60’70’80’90’00’10’20

Deadliest tornadoes in Illinois

DateRatingPathWidthInjuredKilled
Apr 21, 1967F415 mi200 yd50033
Aug 28, 1990F516.4 mi600 yd35029
Apr 21, 1967F425.5 mi1,200 yd45024
Feb 10, 1959F423.9 mi200 yd34521
Dec 18, 1957F428.3 mi300 yd20011
May 29, 1982F417 mi400 yd18110
Feb 29, 2012EF426.1 mi325 yd1088
Apr 20, 2004F315.8 mi880 yd128
Feb 24, 1956F477.6 mi500 yd366
Mar 31, 2023EF340.9 mi700 yd166