UFO and UAP Cases in Illinois
242 recorded cases from Illinois (IL), drawn from public reporting databases and well-documented historical incidents. Featured cases are listed first; every entry links to its original source. Reports are presented as described by the witnesses and sources who made them.
Report a sighting in IllinoisFeatured historical cases
- FeaturedSighting2004-08-21Tinley Park Lights
Tinley Park
On several nights between 2004 and 2006, residents of Tinley Park and neighbouring suburbs reported and filmed formations of red lights moving slowly across the sky.
Source: NBC ChicagoOriginal - FeaturedSighting2006-11-07· DiscO'Hare Airport Sighting
Chicago
United Airlines employees at O'Hare International Airport reported a disc-shaped object hovering over a gate before shooting up through the clouds. The FAA attributed it to a weather phenomenon.
Source: WikipediaOriginal
240 reports · page 1 of 5
- Sighting2000-01-05St. Clair County Police Sighting
Highland
In the early morning of 5 January 2000, police officers from several departments in southwestern Illinois, including Highland, Lebanon, Shiloh, Millstadt and Dupo, independently reported a large, silent, triangular object with bright lights moving slowly across the area. A civilian witness in Highland also reported it. The reports were investigated by the National Institute for Discovery Science, which interviewed the officers and produced a detailed study of the event.
Source: National Institute for Discovery ScienceOriginal - Sighting1969-12-01UFO report, Round Lake, Illinois, December 1969
Round Lake
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1969-10-01UFO report, Chicago, Illinois, October 1969
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1969-03-01UFO report, Benton, Illinois, March 1969
Benton
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1968-11-01UFO report, Collinsville, Illinois, November 1968
Collinsville
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1968-11-01UFO report, Near Waterloo, Illinois, November 1968
Near Waterloo
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1968-10-01UFO report, Decatur, Illinois, October 1968
Decatur
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1968-10-01UFO report, Burnham, Illinois, October 1968
Burnham
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1968-06-01UFO report, Walbash, Illinois, June 1968
Walbash
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1968-04-01UFO report, Chicago Ridge, Illinois, April 1968
Chicago Ridge
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1968-02-01UFO report, Evansville, Illinois, February 1968
Evansville
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-12-01UFO report, Mahomet, Illinois, December 1967
Mahomet
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-10-01UFO report, Joliet, Illinois, October 1967
Joliet
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-07-01UFO report, Westmont, Illinois, July 1967
Westmont
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-06-01UFO report, Chicago, Illinois, June 1967
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-06-01UFO report, Nauvoo, Illinois, June 1967
Nauvoo
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-05-01UFO report, Downers, Grove, Illinois, May 1967
Downers, Grove
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-04-01UFO report, Westmont, Illinois, April 1967
Westmont
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-03-01UFO report, Lake Canton, Canton, Illinois, March 1967
Lake Canton, Canton
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-03-01UFO report, Galesburg, Moline, Illinois, March 1967
Galesburg, Moline
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-03-01UFO report, Mount Prospect, Illinois, March 1967
Mount Prospect
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-03-01UFO report, Calena, Illinois, March 1967
Calena
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-03-01UFO report, Kilborne, Illinois, March 1967
Kilborne
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-02-01UFO report, Hazelcrest, Illinois, February 1967
Hazelcrest
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-02-01UFO report, Bellwood, Illinois, February 1967
Bellwood
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1967-02-01UFO report, Urbana, Illinois, February 1967
Urbana
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-10-01UFO report, Peoria, Illinois, October 1966
Peoria
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-10-01UFO report, Casey, Illinois, October 1966
Casey
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-10-01UFO report, Chicago, Illinois, October 1966
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-09-01UFO report, Chicago, Illinois, September 1966
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-09-01UFO report, Metropolis, Illinois, September 1966
Metropolis
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-08-01UFO report, Oaklawn., Illinois, August 1966
Oaklawn.
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-08-01UFO report, Arlington Heights, Illinois, August 1966
Arlington Heights
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-08-01UFO report, Wilmette, Illinois, August 1966
Wilmette
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-07-01UFO report, Johnston City, Illinois, July 1966
Johnston City
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-07-01UFO report, Belleville, Illinois, July 1966
Belleville
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-07-01UFO report, Ladd, Illinois, July 1966
Ladd
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-07-01UFO report, Dixon, Illinois, July 1966
Dixon
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-06-01UFO report, Chicago, Illinois, June 1966
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-06-01UFO report, Chicago, Illinois, June 1966
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-06-01UFO report, Northlake, Illinois, June 1966
Northlake
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-05-01UFO report, Chicago, Illinois, May 1966
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-05-01UFO report, Chicago, Illinois, May 1966
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-04-01UFO report, Chicago, Illinois, April 1966
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-04-01UFO report, Riverton, Illinois, April 1966
Riverton
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-03-01UFO report, Normal, Illinois, March 1966
Normal
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-03-01UFO report, Chicago, Illinois, March 1966
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1966-02-01UFO report, Farmington, Illinois, February 1966
Farmington
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1965-12-01UFO report, Evanston, Illinois, December 1965
Evanston
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1965-11-01UFO report, Chicago, Illinois, November 1965
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original