Illinois
102 counties155 tornadoes rated F3/EF3+66 county disaster declarations
Illinois has recorded 3,149 tornadoes since 1950, 6th among the states; 1 tropical storms and hurricanes within 50 miles since 1851; 3,266 acres burned by large wildfires since 1984.
2025
- Tornadoes rated F2/EF2+ since 1950
- Tropical cyclone tracks since 1851
Statewide totals
Unique events: a tornado that crossed three counties counts once.
- Tornadoes since 1950
- 3,149
- 6th of 51
- Rated F3/EF3 or stronger
- 155
- 9th of 51
- Tropical cyclones within 50 mi
- 1
- 33rd of 51
- At hurricane strength
- 0
- —
- Acres burned since 1984
- 3,266
- 2 large fires
- Flood insurance claims
- 51,163
- $584 million paid
County leaders
Where in Illinois each hazard has struck most.
Most tornadoes
- 1McLean County122
- 2Will County100
- 3Sangamon County93
- 4Champaign County87
- 5Cook County87
Most tropical cyclones within 50 mi
Most acres burned
- 1Will County1,665
- 2Iroquois County1,601
Most flood claims
- 1Cook County15,260
- 2DuPage County3,607
- 3Peoria County2,547
- 4Lake County2,456
- 5Will County2,295
Notable events
The strongest tornadoes, hurricanes and fires in Illinois’s record. Each opens its own page.
Tornadoes
- F5 1990, Kendall29 killed
- F5 1957, Perry1 killed
- F4 1967, Cook33 killed
- F4 1967, Boone24 killed
- F4 1959, Madison21 killed
- F4 1957, Jackson11 killed
- F4 1982, Williamson10 killed
- EF4 2012, Saline8 killed
- F4 1965, McHenry6 killed
- F4 1956, St. Clair6 killed
Hurricanes and tropical storms
- Unnamed 1941Tropical storm
Every county
Sort by any column. Each county opens its full record.
Cities
Places of 10,000 people or more with their own records.
- Chicago
- Aurora
- Naperville
- Joliet
- Rockford
- Elgin
- Springfield
- Peoria
- Champaign
- Waukegan
- Cicero
- Bloomington
- Schaumburg
- Evanston
- Arlington Heights
- Bolingbrook
- Decatur
- Skokie
- Palatine
- Des Plaines
- Orland Park
- Oak Lawn
- Mount Prospect
- Tinley Park
- Berwyn
- Wheaton
- Normal
- Oak Park
- Hoffman Estates
- Downers Grove
- Plainfield
- Glenview
- Elmhurst
- Lombard
- Buffalo Grove
- Moline
- Crystal Lake
- Romeoville
- Bartlett
- DeKalb
- Belleville
- Oswego
- Urbana
- Carol Stream
- Quincy
- Park Ridge
- Wheeling
- Streamwood
- Carpentersville
- Hanover Park
- Rock Island
- Addison
- Calumet City
- Northbrook
- North Chicago
- Woodridge
- St. Charles
- Mundelein
- O'Fallon
- Glendale Heights
- Elk Grove Village
- Pekin
- Algonquin
- Highland Park
- Gurnee
- Niles
- McHenry
- Huntley
- New Lenox
- Glen Ellyn
- Lake in the Hills
- Galesburg
- Burbank
- Danville
- Lansing
- Lockport
- Wilmette
- Round Lake Beach
- Vernon Hills
- Granite City
- Oak Forest
- Yorkville
- Batavia
- Chicago Heights
- Edwardsville
- Woodstock
- South Elgin
- Belvidere
- West Chicago
- Alton
- Homer Glen
- Morton Grove
- Zion
- Westmont
- Melrose Park
- Collinsville
- Loves Park
- Rolling Meadows
- Elmwood Park
- Lisle
- Kankakee
- Maywood
- Freeport
- Machesney Park
- Roselle
- Bloomingdale
- East Peoria
- Darien
- Montgomery
- Villa Park
- Carbondale
- Blue Island
- Frankfort
- Grayslake
- Geneva
- Park Forest
- South Holland
- Libertyville
- Crest Hill
- Dolton
- East Moline
- Mokena
- Lake Zurich
- Harvey
- Lake Forest
- Deerfield
- North Aurora
- Evergreen Park
- Sycamore
- Brookfield
- Homewood
- Ottawa
- Matteson
- Shorewood
- Round Lake
- Bensenville
- Lemont
- Alsip
- Bellwood
- Franklin Park
- Palos Hills
- Cary
- Jacksonville
- East St. Louis
- Bourbonnais
- Godfrey
- Hinsdale
- Morton
- Charleston
- Marion
- Cahokia Heights
- Mattoon
- Bridgeview
- Westchester
- Country Club Hills
- Fairview Heights
- La Grange
- Washington
- Prospect Heights
- Bradley
- Warrenville
- Antioch
- Lindenhurst
- Norridge
- Morris
- Shiloh
- Dixon
- Chatham
- Channahon
- Macomb
- Sterling
- Swansea
- Mount Vernon
- Beach Park
- Hickory Hills
- Wood Dale
- Chicago Ridge
- Wauconda
- Glen Carbon
- Midlothian
- Forest Park
- Western Springs
- La Grange Park
- Canton
- Lincolnwood
- Hazel Crest
- Lincoln
- Minooka
- Plano
- Pingree Grove
- Winnetka
- Richton Park
- Northlake
- Effingham
- Justice
- Herrin
- Streator
- Kewanee
- Palos Heights
- Rantoul
- Troy
- Centralia
- River Forest
- Schiller Park
- Markham
- Burr Ridge
- Waterloo
- Roscoe
- Manhattan
- Campton Hills
- Columbia
- Fox Lake
- Pontiac
- Summit
- Worth
- Barrington
- Crestwood
- Taylorville
- Mahomet
- Lyons
- River Grove
- Riverdale
- Wood River
- Winfield
- Highland