Tornado History

De Kalb Tornado History

This county-level tornado history page focuses on De Kalb, Illinois. The records below identify 27 tornadoes from 1959 through 2024, including a highest listed rating of EF3 (Severe damage). NOAA damage estimates in this group total at least $8.3M, with 2 deaths and 12 injuries recorded across the listed events.

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27recorded tornadoes
EF3 (Severe damage)highest rating
$8.3Mminimum property damage
July 15, 2024latest tornado
9.99 milongest listed path
700 ydwidest listed path

Historical Track Sketch

EF3 April 9, 20152015F2 June 18, 19751975F1 July 10, 19591959F1 April 21, 19671967EF1 June 12, 20132013EF1 April 9, 20152015EF1 August 9, 20212021EF1 August 9, 20212021F0 May 18, 19821982F0 June 6, 19961996F0 May 10, 20012001F0 June 10, 20032003F0 May 10, 20042004EF0 May 13, 20112011EF0 August 10, 2020EF0 November 10, 2020EF0 May 23, 2020EF0 August 9, 2021EF0 August 9, 2021EF0 August 9, 2021EF0 July 28, 2023EF0 July 14, 2024EF0 February 27, 2024Unknown June 30, 1977EFU August 10, 2021EFU July 15, 2024EFU February 27, 2024© OpenStreetMap contributors

Rating Breakdown

  • EF3 (Severe damage)1
  • F2 (Considerable damage)1
  • F1 (Moderate damage)2
  • EF1 (Moderate damage)4
  • F0 (Light damage)5
  • EF0 (Light damage)10
  • Unknown rating1
  • Unknown rating3

Most Active Years

  • 20216
  • 20244
  • 20203
  • 20152
  • 19591
  • 19671
  • 19751
  • 19771

Notable Tornado Records

The table highlights the strongest and most damaging records in this page's local dataset. Damage totals are NOAA-reported minimum estimates where available.

DateRatingAreaLengthWidthDeathsInjuriesMin. property damage
April 9, 2015EF3De Kalb, Illinois4.83 mi700 yd211$8.0M
June 18, 1975F2De Kalb, Illinois4.7 mi27 yd01$250K
July 10, 1959F1De Kalb, Illinois1 mi60 yd00$25K
April 21, 1967F1De Kalb, Illinois2 mi40 yd00$25K
June 12, 2013EF1De Kalb, Illinois2.27 mi100 yd00$20K
April 9, 2015EF1De Kalb, Illinois1.8 mi100 yd00$5K
August 9, 2021EF1De Kalb, Illinois1.8 mi80 yd00N/A
August 9, 2021EF1De Kalb, Illinois1.5 mi150 yd00N/A
May 18, 1982F0De Kalb, Illinois0 mi33 yd00N/A
June 6, 1996F0De Kalb, Illinois2 mi20 yd00N/A
May 10, 2001F0De Kalb, Illinois0.1 mi20 yd00N/A
June 10, 2003F0De Kalb, Illinois0.5 mi50 yd00N/A

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Source And Limits

Data source: NOAA/NCEI. TornadoTrace summarizes historical records for screening and research. Coordinates, damage estimates, narratives, and event details can be approximate, incomplete, revised, or missing. Do not use this page as legal, insurance, engineering, real estate, emergency management, or safety advice.