Tornado History

Grundy Tornado History

This county-level tornado history page focuses on Grundy, Illinois. The records below identify 23 tornadoes from 1958 through 2024, including a highest listed rating of EF3 (Severe damage). NOAA damage estimates in this group total at least $61.9M, with 0 deaths and 14 injuries recorded across the listed events.

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23recorded tornadoes
EF3 (Severe damage)highest rating
$61.9Mminimum property damage
July 15, 2024latest tornado
11.4 milongest listed path
1320 ydwidest listed path

Historical Track Sketch

EF3 June 22, 20152015F2 November 12, 19651965EF2 November 17, 20132013F2 April 19, 19731973F2 May 20, 19751975F2 April 5, 19881988EF2 July 15, 20242024F1 April 27, 19841984F1 May 8, 19881988EF1 June 22, 20152015EF1 June 22, 20152015F1 June 8, 19581958EF1 June 22, 20162016F0 April 20, 20042004EF0 May 28, 2013F0 April 3, 1974F0 June 15, 1985EF0 June 30, 2014EF0 June 22, 2016EF0 February 28, 2017EF0 May 23, 2020EF0 July 28, 2023EFU May 17, 2020© OpenStreetMap contributors

Rating Breakdown

  • EF3 (Severe damage)1
  • F2 (Considerable damage)4
  • EF2 (Considerable damage)2
  • F1 (Moderate damage)3
  • EF1 (Moderate damage)3
  • F0 (Light damage)3
  • EF0 (Light damage)6
  • Unknown rating1

Most Active Years

  • 20153
  • 19882
  • 20132
  • 20162
  • 20202
  • 19581
  • 19651
  • 19731

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
June 22, 2015EF3Grundy, Illinois7.7 mi1320 yd07$25.0M
November 12, 1965F2Grundy, Illinois11.4 mi120 yd00$25.0M
November 17, 2013EF2Grundy, Illinois4.42 mi200 yd05$10.8M
April 19, 1973F2Grundy, Illinois0 mi33 yd00$250K
May 20, 1975F2Grundy, Illinois2 mi50 yd01$250K
April 5, 1988F2Grundy, Illinois7 mi50 yd00N/A
July 15, 2024EF2Grundy, Illinois6.6 mi325 yd00N/A
April 27, 1984F1Grundy, Illinois2.7 mi150 yd00$250K
May 8, 1988F1Grundy, Illinois1 mi10 yd00$250K
June 22, 2015EF1Grundy, Illinois5.93 mi150 yd00$50K
June 22, 2015EF1Grundy, Illinois0.77 mi100 yd00$50K
June 8, 1958F1Grundy, Illinois1 mi33 yd00$2K

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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.