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 Illinois240 reports ยท page 5 of 5
- Sighting1954-10-01UFO report, Imperial, Illinois, October 1954
Imperial
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1954-09-01UFO report, New Baden, Illinois, September 1954
New Baden
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1954-07-01UFO report, E. St. Louis, Illinois, July 1954
E. St. Louis
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1954-06-01UFO report, Danville, Illinois, June 1954
Danville
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1954-05-01UFO report, Chicago, Illinois, May 1954
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1954-04-01UFO report, Chicago, Illinois, April 1954
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1954-03-01UFO report, Oak Park, Illinois, March 1954
Oak Park
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1954-01-01UFO report, Naperville, Illinois, January 1954
Naperville
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1953-11-01UFO report, Indiana, Area, Illinois, November 1953
Indiana, Area
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1953-10-01UFO report, Scott AFB, Illinois, October 1953
Scott AFB
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1953-08-01UFO report, Peoria, Illinois, August 1953
Peoria
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1953-05-01UFO report, East St Louis, Illinois, May 1953
East St Louis
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1953-03-01UFO report, Mascoutah, Illinois, March 1953
Mascoutah
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1952-10-01UFO report, East Moline, Illinois, October 1952
East Moline
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1952-10-01UFO report, Momence, Illinois, October 1952
Momence
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1952-09-01UFO report, Chanute AFB, Illinois, September 1952
Chanute AFB
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1952-07-01UFO report, Chicago, Illinois, July 1952
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1952-07-01UFO report, ROCK ISLAND, Illinois, July 1952
ROCK ISLAND
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1952-07-01UFO report, CHICAGO, Illinois, July 1952
CHICAGO
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1952-07-01UFO report, ELGIN, Illinois, July 1952
ELGIN
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1952-06-01UFO report, Chicago, Illinois, June 1952
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1952-05-01UFO report, Lombard, Illinois, May 1952
Lombard
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1952-04-01UFO report, Homewood, Illinois, April 1952
Homewood
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1952-02-01UFO report, Granite City, Illinois, February 1952
Granite City
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1951-10-01UFO report, Paris, Illinois, October 1951
Paris
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1951-08-01UFO report, Vandalia, Illinois, August 1951
Vandalia
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1951-05-01UFO report, Chicago, Illinois, May 1951
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1951-04-01UFO report, Chicago, Illinois, April 1951
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1951-02-01UFO report, Calena, Illinois, February 1951
Calena
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1950-09-01UFO report, 5 mi. SW Effingham, Illinois, September 1950
5 mi. SW Effingham
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1950-07-01UFO report, Chicago, Illinois, July 1950
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1950-03-01UFO report, Bradford, Illinois, March 1950
Bradford
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1950-02-01UFO report, Decatur, Illinois, February 1950
Decatur
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1949-04-01UFO report, Rockford, Illinois, April 1949
Rockford
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1949-02-01UFO report, Chicago, Illinois, February 1949
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1948-06-01UFO report, Scott AFB, Illinois, June 1948
Scott AFB
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1948-04-01UFO report, Springfield, Illinois, April 1948
Springfield
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1948-04-01UFO report, 4 Mi. N Of Alton, Illinois, April 1948
4 Mi. N Of Alton
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1947-08-01UFO report, Danforth, Illinois, August 1947
Danforth
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1947-06-01UFO report, Illinois, Illinois, June 1947
Illinois
Source: Project Blue Book, U.S. Air Force (National Archives)Original