Tornado History

Lyon Tornado History

This county-level tornado history page focuses on Lyon, Iowa. The records below identify 41 tornadoes from 1951 through 2025, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $9.7M, with 1 deaths and 2 injuries recorded across the listed events.

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41recorded tornadoes
F2 (Considerable damage)highest rating
$9.7Mminimum property damage
July 28, 2025latest tornado
14.2 milongest listed path
880 ydwidest listed path

Historical Track Sketch

F2 July 6, 19781978F2 April 26, 19861986F2 April 26, 19861986F2 May 7, 19931993EF2 June 25, 20102010F2 June 19, 19541954F1 July 25, 19601960F1 April 21, 19851985EF1 August 17, 20192019F1 July 9, 20002000F1 April 18, 20042004F1 July 16, 19631963F1 April 19, 19731973EF1 June 25, 20102010EF1 May 1, 2008F1 May 20, 1975F1 June 19, 1951F1 July 2, 1952EF1 May 30, 2022EF1 April 16, 2024EF1 July 28, 2025F0 April 21, 1985F0 May 23, 1989F0 May 9, 2004F0 June 7, 1987F0 May 29, 1980F0 August 4, 1995F0 July 7, 1997F0 July 7, 1997F0 June 27, 1998F0 June 12, 2001F0 June 24, 2003EF0 May 1, 2008EF0 May 1, 2008EF0 June 11, 2008EF0 June 21, 2009EF0 June 16, 2014EF0 June 17, 2014EF0 May 30, 2022Unknown June 19, 1978EFU July 28, 2025© OpenStreetMap contributors

Rating Breakdown

  • F2 (Considerable damage)5
  • EF2 (Considerable damage)1
  • F1 (Moderate damage)9
  • EF1 (Moderate damage)6
  • F0 (Light damage)11
  • EF0 (Light damage)7
  • Unknown rating1
  • Unknown rating1

Most Active Years

  • 20084
  • 19782
  • 19852
  • 19862
  • 19972
  • 20042
  • 20102
  • 20142

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 26, 1986F2Lyon, Iowa8.5 mi120 yd12$2.5M
July 6, 1978F2Lyon, Iowa14.2 mi200 yd00$2.5M
April 26, 1986F2Lyon, Iowa9.5 mi70 yd00$2.5M
May 7, 1993F2Lyon, Iowa1.5 mi70 yd00$500K
June 25, 2010EF2Lyon, Iowa5.18 mi450 yd00$500K
June 19, 1954F2Lyon, Iowa2.3 mi880 yd00$25K
July 25, 1960F1Lyon, Iowa2 mi150 yd00$250K
April 21, 1985F1Lyon, Iowa1.2 mi40 yd00$250K
August 17, 2019EF1Lyon, Iowa6.95 mi75 yd00$200K
July 9, 2000F1Lyon, Iowa1 mi100 yd00$50K
April 18, 2004F1Lyon, Iowa4 mi100 yd00$50K
July 16, 1963F1Lyon, Iowa2.3 mi200 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.