Details:

1. 11/13/1951:  Took an intermittent path from near Mason City, northeast across northwest Logan and southeast Tazewell Counties, into McLean County.
2. 5/26/1955:  Struck the southeast part of Pekin.
3. 8/13/1956:  Moved through the Sunnyland area, destroying a building and causing two stores to lose their roofs.
4. 4/16/1960:  Touchdown near Delavan, causing damage to a few farmsteads.
5. 5/16/1960:  Part of a severe weather outbreak which produced tornado touchdowns from near Keokuk, IA, to Peoria.  This tornado caused damage to homes at North Pekin.
6. 5/25/1960:  Touched down 2 miles southeast of East Peoria, unroofing several homes.
7. 1/24/1967:  Touched down 2.5 miles southeast of Washington, and moved east-northeast for 3.5 miles.  Caused some tree and roof damage, especially to farm buildings.
8. 10/10/1969: This tornado affected a 2-block area of Deer Creek, before moving into Woodford County.
9. 9/4/1973:   This tornado first touched down in Mapleton, in Peoria County.  It was aloft before moving through the Morton area.
10. 7/12/1972:  Touched down about 2 miles northwest of Manito, and was on the ground for half a mile, causing localized damage.
11. 6/19/1974:  Reported by a pilot near Morton.
12. 4/18/1975:  Destroyed 2 machine sheds just south of Hopedale.
13. 4/30/1975:  Brief touchdown 6 miles south of Hopedale.
14. 3/26/1976:  Information not available.
15. 9/7/1977:  Touched down on the west edge of Deer Creek, damaging 30 homes.  It also produced 4.5 inches of rain in half an hour.
16. 9/16/1980:  Touched down near East Peoria, and traveled to Sunnyland, uprooting 20 trees.
17. 6/8/1981:  Touched down between Tremont and Pekin.  Intermittent funnel sightings and tornado touchdowns occurred along an 80 mile path, before finally ending in Champaign County.
18. 9/29/1986:  This tornado was on the ground for 2 miles, destroying the Hopedale fire station and damaging 30 houses.
19. 6/2/1987:  Brief touchdown 5 miles northeast of Minier.
20. 6/13/1990:  Touched down in Pekin, blowing down trees, one of which fell onto a car.
21. 6/19/1990:  On the ground for 1 mile at Green Valley, causing a fire which damaged several stores.
22. 11/27/1990:  Touched down at the Waddel Airport in extreme southwest Tazewell County, destroying four hangars and 32 planes.
23. 5/14/1991:  Information not available.
24. 5/14/1991:  Brief touchdown near Hopedale.
25. 5/31/1991:  Brief touchdown 2 miles east of Minier.
26. 10/4/1991:  Touched down twice approximately 2 miles west of Hopedale.  Roofs were torn off several homes.  A few buildings were damaged at the Indian Creek Industrial Park.
27. 5/4/1992:  Touched down 4 miles southeast of Hopedale, causing damage to trees and outbuildings.
28. 8/23/1993:  Brief touchdown near Minier.
29. 6/26/1994:  Brief touchdown near East Peoria.
30. 7/20/1994:  Brief touchdown near the Powerton plant.
31. 7/20/1994:  Brief touchdown near I-74 just west of Morton.
32. 5/9/1995:  This tornado touched down 3 miles southwest of South Pekin, and moved northeast across town.  It destroyed several garages and and a railroad barracks.
33. 5/13/1995:  This strong, long-track tornado touched own along the Illinois River northeast of Goofy Ridge in Mason County, and traveled 25 miles before lifting in Tremont.  Two dozen homes were damage or destroyed in Tazewell County, and numerous silos and farm buildings were destroyed.  Two people were injured near South Pekin.
34. 4/19/1996:  This tornado first touched down just south of the Logan County line, then moved northeast into Armington, destroying a home.  It traveled for 4 miles across extreme southern Tazewell County before moving into McLean County.
35. 4/30/1997:  Touched down 7 miles southwest of Pekin, and was on the ground for 1 mile. 
36. 6/29/1998:  Touched down in Marquette Heights, and moved through Groveland before lifting on the southwest side of Morton.  It did significant damage to a shopping center and two dozen homes.  This was part of a major severe weather outbreak called a derecho, which caused extensive wind damage from Iowa all the way to southern Ohio, with winds frequently gusting as high as 100 mph.
37. 6/4/1999:  Touched down on the northwest side of Delavan, uprooting several trees.  Some building damage was also noted in Delavan, especially due to falling tree limbs.  It was on the ground for 3 miles before dissipating southeast of Delavan.
38. 5/8/2000:  This tornado touched down on a farm 1.5 miles west of Parkland.  It destroyed 4 grain bins and blew away a machine shed.
39. 5/10/2003:  This tornado was on the ground for 18 miles and devastated South Pekin.
40. 5/10/2003:  Touched down 3 miles north of Morton, after the long-track tornado dissipated in Morton.  It was on the ground for 2 miles, causing major damage to 3 homes and a business.
41. 5/10/2003:  This tornado touched down 3 miles southeast of Washington, then moved northeast into Woodford County.
42. 5/28/2003:  This tornado moved in from Woodford County north of Washington.  It blew down trees and power lines, and destroyed a shed.
43. 5/28/2003:  Brief touchdown 3 miles west-northwest of Mackinaw.
44. 5/28/2003:  Brief touchdown 1 mile southeast of Armington.
45. 5/30/2003:  This tornado touched down in northeast Mason County near Forest City, then moved into Tazewell County southwest of Green Valley.  It destroyed several sheds in Tazewell County. 
46. 7/8/2003:  Touched down near the Powerton power plant, destroying the roofs on a couple sheds.
47. 5/8/2004:  Touched down just west of the Fondulac Dam, and was on the ground for a quarter mile.  Several buildings sustained roof damage from falling trees.
48. 5/8/2004:   Brief touchdown 3 miles west-northwest of Washington.
49. 5/30/2004:  Brief touchdown 1 mile south of Green Valley.
50. 6/22/2006:  Brief touchdown 3 miles south of Morton.
51. 1/7/2008:  This tornado was on the ground for 3 miles, beginning 2 miles south of Mackinaw.  It destroyed a pole barn and damaged a house and other outbuildings.
52. 6/4/2008:  Touched down 3 miles northeast of Mackinaw, and was on the ground for 2 miles, but only passed through open fields.
53. 6/4/2008:  Touched down in an open field northeast of Mackinaw, and moved into McLean County.
54. 6/5/2010:  Touched down 2 miles north of Washington, then moved east into Woodford County.
55. 11/17/2013:  This was during the early part of a large tornado outbreak in Illinois.  This particular tornado originally touched down just across the Illinois River in Peoria County, but did all of its damage in Pekin.  Click here for further details.
56. 11/17/2013:  This violent tornado originally touched down in Marquette Heights, then tore through Washington and through portions of Woodford, La Salle, and Livingston Counties before lifting after being on the ground for 46 miles.  The worst damage was in Washington.  Click here for more details.
57. 7/16/2015:  This late-evening tornado moved through Delavan, damaging 51 homes.  Click here for more details. 
58. 8/18/2015:  This tornado touched down 1.7 miles east-southeast of Mackinaw, and was on the ground for 2 miles. It damaged several pine trees and crops in a path 50-75 yards wide.
59. 3/7/2017:  This tornado was on the ground for 7.5 miles, and touched down 5 miles southwest of Green Valley. Click here for more details.
60. 3/7/2017:  This tornado touched down 1.4 miles north-northeast of Delavan. Click here for more details.  
61. 12/1/2018:  This tornado touched down 4.8 miles southwest of South Pekin, damaging outbuildings, a pool deck structure, and an irrigation system. Click here for more details.  
62. 5/25/2019:  Touched down 3.5 miles west-northwest of Green Valley and tracked for a little over a mile. Click here for more details. 
63. 5/25/2019:  Touched down 0.9 miles north-northeast of Green Valley, and tracked for about 3/4 mile. Click here for more details.
64. 6/15/2019:  Touched down 2.1 miles southwest of South Pekin, tracking 2.4 miles. A shed was destroyed, and several trees and power poles were blown over.
65. 7/15/2020:  Brief touchdown 2 miles northwest of Green Valley, causing no damage.
66. 7/15/2020:  Brief touchdown 1 mile north of South Pekin, causing no damage.
67. 3/31/2023:  Brief touchdown 3 miles southeast of Banner, causing no damage.
68. 3/31/2023:  Touched down 1 mile west of Deer Creek and damaged a barn before dissipating.
69. 7/15/2024:  Within an area of wind damage from a derecho, this tornado touched down in East Peoria and moved through Morton before ending north of Mackinaw. Click here for more details. 
70. 7/15/2024:  Within an area of wind damage from a derecho, this tornado touched down in Woodford County and edged across the county line before dissipating. Click here for more details.
71. 7/15/2024:  Within an area of wind damage from a derecho, this tornado touched down north of Mackinaw. Click here for more details.