SkyUnknown

UFO sightings by place

UFO sightings in Illinois: 231 reports

SkyUnknown lists 231 UFO sightings in Illinois, from 1947 to 1969, drawn from official records: Project Blue Book (NARA). The busiest year was 1965, with 28 cases.

For these 231 cases, the source gives no conclusion: Project Blue Book conclusions sit in scanned files not yet transcribed.

Most frequently named places: Chicago (47), Scott AFB (6), Chanute AFB (5), Peoria (5), and Arlington Heights (4).

cases
231
unidentified
0
period
1947–1969
source
1
Map of the cases

Notable cases

The most complete records: account of the sighting, conclusion of the official investigation.

Other states

Sightings by decade

7
1940s79
1950s145
1960s

The 200 most recent sightings (out of 231)

DatePlaceStatus
December 1969Round LakeConclusion not available
October 1969ChicagoConclusion not available
March 1969BentonConclusion not available
November 1968CollinsvilleConclusion not available
November 1968Near WaterlooConclusion not available
October 1968BurnhamConclusion not available
October 1968DecaturConclusion not available
June 1968WALBASHConclusion not available
April 1968Chicago RidgeConclusion not available
February 1968EvansvilleConclusion not available
December 1967MahometConclusion not available
October 1967JolietConclusion not available
July 1967WESTMONTConclusion not available
June 1967ChicagoConclusion not available
June 1967NauvooConclusion not available
May 1967Downers, GroveConclusion not available
April 1967WestmontConclusion not available
March 1967CalenaConclusion not available
March 1967Galesburg, MolineConclusion not available
March 1967KilborneConclusion not available
March 1967Lake Canton, CantonConclusion not available
March 1967Mount ProspectConclusion not available
February 1967BellwoodConclusion not available
February 1967HazelcrestConclusion not available
February 1967UrbanaConclusion not available
October 1966CaseyConclusion not available
October 1966ChicagoConclusion not available
October 1966PeoriaConclusion not available
September 1966ChicagoConclusion not available
September 1966MetropolisConclusion not available
August 1966Arlington HeightsConclusion not available
August 1966WilmetteConclusion not available
July 1966BellevilleConclusion not available
July 1966DixonConclusion not available
July 1966Johnston CityConclusion not available
July 1966LaddConclusion not available
June 1966ChicagoConclusion not available
June 1966ChicagoConclusion not available
June 1966NorthlakeConclusion not available
May 1966ChicagoConclusion not available
May 1966ChicagoConclusion not available
April 1966ChicagoConclusion not available
April 1966RivertonConclusion not available
March 1966ChicagoConclusion not available
March 1966NormalConclusion not available
February 1966FarmingtonConclusion not available
December 1965EvanstonConclusion not available
November 1965ChicagoConclusion not available
November 1965Des Plaines ChicagoConclusion not available
November 1965Des Plaines chicagoConclusion not available
November 1965Oak ParkConclusion not available
November 1965RivergroveConclusion not available
October 1965ChicagoConclusion not available
October 1965ChicagoConclusion not available
October 1965Rolling MeadowsConclusion not available
September 1965ChicagoConclusion not available
September 1965ChicagoConclusion not available
August 1965Calumet CityConclusion not available
August 1965Calumet ParkConclusion not available
August 1965ChicagoConclusion not available
August 1965ChicagoConclusion not available
August 1965ChicagoConclusion not available
August 1965OttawaConclusion not available
August 1965Prospect HeightsConclusion not available
August 1965Tinley ParkConclusion not available
August 1965WooddaleConclusion not available
July 1965ChicagoConclusion not available
July 1965Des PlainesConclusion not available
July 1965ElmhurstConclusion not available
July 1965IllinoisConclusion not available
April 1965DurandConclusion not available
February 1965Elk Grove, VillageConclusion not available
1965ElmhurstConclusion not available
January 1965MortonConclusion not available
September 1964MomenceConclusion not available
July 1964BuckleyConclusion not available
July 1964ChicagoConclusion not available
June 1964ChicagoConclusion not available
May 1964ChicagoConclusion not available
May 1964Des PlainesConclusion not available
May 1964ElmhurstConclusion not available
April 1964Oak LawnConclusion not available
January 1964BournnaisConclusion not available
December 1963DixonConclusion not available
November 1963ST PETERConclusion not available
October 1963FairfieldConclusion not available
September 1963BloomingtonConclusion not available
September 1963La GrangeConclusion not available
August 1963ChicagoConclusion not available
August 1963NilesConclusion not available
July 1963Glen EllynConclusion not available
June 1963ChicagoConclusion not available
June 1963LincolnwoodConclusion not available
June 1963SkokieConclusion not available
May 1963Arlington HeightsConclusion not available
May 1963EvanstonConclusion not available
May 1963NorthfieldConclusion not available
April 1963JolietConclusion not available
March 1963NapervilleConclusion not available
February 1963Gibson CityConclusion not available
January 1963ChicagoConclusion not available
October 1962ChicagoConclusion not available
October 1962Des PlainesConclusion not available
September 1962Arlington HeightsConclusion not available
September 1962ChicagoConclusion not available
August 1962ChicagoConclusion not available
August 1962MaywoodConclusion not available
July 196230 N of KankakeeConclusion not available
July 1962EvanstonConclusion not available
June 1962RantoulConclusion not available
May 1962ChicagoConclusion not available
April 1962ChicagoConclusion not available
April 1962DanvilleConclusion not available
March 1962Chanute AFBConclusion not available
March 1962NapervilleConclusion not available
December 1961BartlettConclusion not available
December 1961ChicagoConclusion not available
December 1961ChicagoConclusion not available
November 1961MackinawConclusion not available
November 1961Scott AFBConclusion not available
September 1961ChicagoConclusion not available
August 1961Gibson CityConclusion not available
July 1961E of MonticelloConclusion not available
June 1961BloomingtonConclusion not available
June 1961Highland ParkConclusion not available
April 1961Hanna City AFSConclusion not available
March 1961Chanute AFBConclusion not available
December 1960Arlington HeightsConclusion not available
November 1960MonticelloConclusion not available
September 1960ChampaignConclusion not available
September 1960ChicagoConclusion not available
September 1960GurneeConclusion not available
September 1960UrbanaConclusion not available
August 1960ChicagoConclusion not available
August 1960CreteConclusion not available
August 1960EssexConclusion not available
August 1960GlenviewConclusion not available
July 1960Chanute AFBConclusion not available
July 1960Chanute AFBConclusion not available
July 1960Vicinity MonticelloConclusion not available
June 1960ChampaignConclusion not available
May 196023 mi S Of JolietConclusion not available
May 1960DecaturConclusion not available
April 1960ChicagoConclusion not available
February 196022 Mi NW Of CarbondaleConclusion not available
August 1959ElburnConclusion not available
July 1959ChicagoConclusion not available
July 1959MooseheartConclusion not available
June 1959Forest ParkConclusion not available
May 1959O'Hara AFBConclusion not available
April 1959NilesConclusion not available
March 1959BloomingtonConclusion not available
November 19582 Mi W Of DarwinConclusion not available
October 1958OblongConclusion not available
August 1958Park RidgeConclusion not available
May 19582 Mi E Of Mount ProspectConclusion not available
January 1958HillsboroConclusion not available
January 1958PeoriaConclusion not available
January 1958River ForestConclusion not available
January 1958RushvilleConclusion not available
January 1958Scott AFBConclusion not available
December 1957O'FallonConclusion not available
November 195715-20 Mi W of JollietConclusion not available
November 1957JolietConclusion not available
November 1957MakandaConclusion not available
November 1957ParisConclusion not available
November 1957Scott AFBConclusion not available
November 1957SwanseaConclusion not available
November 1957WaverlyConclusion not available
September 1957GrayvilleConclusion not available
August 1957FarmingtonConclusion not available
July 1957PeoriaConclusion not available
June 1957ChicagoConclusion not available
April 1957PesotumConclusion not available
November 1956Fox River GroveConclusion not available
October 1956PlanoConclusion not available
August 1956ChicagoConclusion not available
August 1956East DanvilleConclusion not available
August 1956HarveyConclusion not available
August 1956Morton GroveConclusion not available
May 1956WheatonConclusion not available
April 1956GurnieConclusion not available
March 1956ChicagoConclusion not available
January 195620 miles SW of Chanute AFBConclusion not available
January 1956Scott, AFBConclusion not available
November 1955LemaxConclusion not available
October 1955MorengoConclusion not available
October 1955SpringfieldConclusion not available
September 1955Blue MoundConclusion not available
September 1955KankakeeConclusion not available
September 1955PeoriaConclusion not available
September 1955SpringfieldConclusion not available
August 1955ChicagoConclusion not available
March 195510 Mi N of HuntleyConclusion not available
March 1955ParisConclusion not available
1955ChicagoConclusion not available
October 1954ImperialConclusion not available
October 1954Scott AFBConclusion not available
September 1954New BadenConclusion not available
July 1954E. St. LouisConclusion not available
Search and filter all cases

The figures on this page are computed from the official records cited on each case. See sources and method