Tornado History

Sioux Tornado History

This county-level tornado history page focuses on Sioux, Iowa. The records below identify 44 tornadoes from 1963 through 2024, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $10.1M, with 0 deaths and 0 injuries recorded across the listed events.

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44recorded tornadoes
F2 (Considerable damage)highest rating
$10.1Mminimum property damage
May 31, 2024latest tornado
11.9 milongest listed path
400 ydwidest listed path

Historical Track Sketch

F2 July 5, 19781978F2 August 8, 19791979EF2 May 1, 20082008F2 July 7, 19871987F2 June 2, 19661966F2 June 13, 19811981EF1 May 11, 20142014F1 November 12, 20052005F1 August 17, 20012001F1 August 17, 20012001F1 March 16, 19631963F1 July 9, 19921992F1 June 3, 19751975F0 June 19, 19901990F0 May 15, 1998F0 July 9, 2000F0 June 16, 1992F0 May 15, 1998F0 May 15, 1998F0 June 12, 2001F0 April 18, 2004F0 June 4, 2005F0 June 4, 2005EF0 September 30, 2007EF0 May 1, 2008EF0 June 25, 2010EF0 May 11, 2011EF0 May 4, 2012EF0 May 4, 2012EF0 May 11, 2014EF0 May 10, 2015EF0 October 23, 2015EF0 October 23, 2015EF0 October 23, 2015EF0 May 23, 2016EF0 May 17, 2017EF0 May 17, 2017EF0 August 5, 2023EF0 April 16, 2024EF0 April 16, 2024EF0 May 31, 2024Unknown July 5, 1978EFU August 5, 2023EFU April 16, 2024© OpenStreetMap contributors

Rating Breakdown

  • F2 (Considerable damage)5
  • EF2 (Considerable damage)1
  • F1 (Moderate damage)6
  • EF1 (Moderate damage)1
  • F0 (Light damage)10
  • EF0 (Light damage)18
  • Unknown rating1
  • Unknown rating2

Most Active Years

  • 20154
  • 20244
  • 19983
  • 20013
  • 20053
  • 19782
  • 19922
  • 20082

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
July 5, 1978F2Sioux, Iowa11.9 mi200 yd00$2.5M
August 8, 1979F2Sioux, Iowa0.4 mi100 yd00$2.5M
May 1, 2008EF2Sioux, Iowa8.89 mi400 yd00$500K
July 7, 1987F2Sioux, Iowa2 mi50 yd00$250K
June 2, 1966F2Sioux, Iowa11.5 mi300 yd00$25K
June 13, 1981F2Sioux, Iowa0 mi33 yd00$2K
May 11, 2014EF1Sioux, Iowa3.91 mi100 yd00$3.0M
November 12, 2005F1Sioux, Iowa1 mi100 yd00$800K
August 17, 2001F1Sioux, Iowa3 mi100 yd00$100K
August 17, 2001F1Sioux, Iowa1 mi100 yd00$50K
March 16, 1963F1Sioux, Iowa4.7 mi300 yd00$25K
July 9, 1992F1Sioux, Iowa1 mi23 yd00$25K

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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.