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 4 of 5
- Sighting1959-07-01UFO report, Chicago, Illinois, July 1959
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1959-07-01UFO report, Mooseheart, Illinois, July 1959
Mooseheart
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1959-06-01UFO report, Forest Park, Illinois, June 1959
Forest Park
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1959-05-01UFO report, O'Hara AFB, Illinois, May 1959
O'Hara AFB
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1959-04-01UFO report, Niles, Illinois, April 1959
Niles
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1959-03-01UFO report, Bloomington, Illinois, March 1959
Bloomington
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1958-11-01UFO report, 2 Mi W Of Darwin, Illinois, November 1958
2 Mi W Of Darwin
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1958-10-01UFO report, Oblong, Illinois, October 1958
Oblong
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1958-08-01UFO report, Park Ridge, Illinois, August 1958
Park Ridge
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1958-05-01UFO report, 2 Mi E Of Mount Prospect, Illinois, May 1958
2 Mi E Of Mount Prospect
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1958-01-01UFO report, Rushville, Illinois, January 1958
Rushville
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1958-01-01UFO report, Hillsboro, Illinois, January 1958
Hillsboro
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1958-01-01UFO report, Scott AFB, Illinois, January 1958
Scott AFB
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1958-01-01UFO report, River Forest, Illinois, January 1958
River Forest
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1958-01-01UFO report, Peoria, Illinois, January 1958
Peoria
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-12-01UFO report, O'Fallon, Illinois, December 1957
O'Fallon
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-11-01UFO report, Scott AFB, Illinois, November 1957
Scott AFB
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-11-01UFO report, Joliet, Illinois, November 1957
Joliet
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-11-01UFO report, Makanda, Illinois, November 1957
Makanda
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-11-01UFO report, Waverly, Illinois, November 1957
Waverly
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-11-01UFO report, Paris, Illinois, November 1957
Paris
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-11-01UFO report, 15-20 Mi W of Jolliet, Illinois, November 1957
15-20 Mi W of Jolliet
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-11-01UFO report, Swansea, Illinois, November 1957
Swansea
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-09-01UFO report, Grayville, Illinois, September 1957
Grayville
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-08-01UFO report, Farmington, Illinois, August 1957
Farmington
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-07-01UFO report, Peoria, Illinois, July 1957
Peoria
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-06-01UFO report, Chicago, Illinois, June 1957
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1957-04-01UFO report, Pesotum, Illinois, April 1957
Pesotum
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1956-11-01UFO report, Fox River Grove, Illinois, November 1956
Fox River Grove
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1956-10-01UFO report, Plano, Illinois, October 1956
Plano
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1956-08-01UFO report, Morton Grove, Illinois, August 1956
Morton Grove
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1956-08-01UFO report, Harvey, Illinois, August 1956
Harvey
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1956-08-01UFO report, East Danville, Illinois, August 1956
East Danville
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1956-08-01UFO report, Chicago, Illinois, August 1956
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1956-05-01UFO report, Wheaton, Illinois, May 1956
Wheaton
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1956-04-01UFO report, Gurnie, Illinois, April 1956
Gurnie
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1956-03-01UFO report, Chicago, Illinois, March 1956
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1956-01-01UFO report, 20 miles SW of Chanute AFB, Illinois, January 1956
20 miles SW of Chanute AFB
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1956-01-01UFO report, Scott, AFB, Illinois, January 1956
Scott, AFB
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1955-11-01UFO report, Lemax, Illinois, November 1955
Lemax
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1955-10-01UFO report, Morengo, Illinois, October 1955
Morengo
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1955-10-01UFO report, Springfield, Illinois, October 1955
Springfield
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1955-09-01UFO report, Blue Mound, Illinois, September 1955
Blue Mound
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1955-09-01UFO report, Kankakee, Illinois, September 1955
Kankakee
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1955-09-01UFO report, Peoria, Illinois, September 1955
Peoria
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1955-09-01UFO report, Springfield, Illinois, September 1955
Springfield
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1955-08-01UFO report, Chicago, Illinois, August 1955
Chicago
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1955-03-01UFO report, 10 Mi N of Huntley, Illinois, March 1955
10 Mi N of Huntley
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1955-03-01UFO report, Paris, Illinois, March 1955
Paris
Source: Project Blue Book, U.S. Air Force (National Archives)Original - Sighting1954-10-01UFO report, Scott AFB, Illinois, October 1954
Scott AFB
Source: Project Blue Book, U.S. Air Force (National Archives)Original