Tornado History

Mercer Tornado History

This county-level tornado history page focuses on Mercer, North Dakota. The records below identify 20 tornadoes from 1956 through 2025, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $940K, with 0 deaths and 3 injuries recorded across the listed events.

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20recorded tornadoes
F3 (Severe damage)highest rating
$940Kminimum property damage
August 30, 2025latest tornado
24.5 milongest listed path
100 ydwidest listed path

Historical Track Sketch

F3 June 18, 19561956F2 May 24, 19751975F1 July 19, 19761976F1 August 21, 19621962F1 August 12, 19691969F1 July 12, 19761976F0 July 4, 19881988EF0 August 1, 20102010F0 July 10, 19971997F0 June 11, 19761976F0 May 13, 19771977F0 June 11, 19801980F0 July 6, 19901990EF0 July 8, 20112011EF0 July 8, 2011EF0 June 1, 2018EF0 July 8, 2019Unknown July 31, 1966Unknown October 2, 1967EFU August 30, 2025© OpenStreetMap contributors

Rating Breakdown

  • F3 (Severe damage)1
  • F2 (Considerable damage)1
  • F1 (Moderate damage)4
  • F0 (Light damage)6
  • EF0 (Light damage)5
  • Unknown rating2
  • Unknown rating1

Most Active Years

  • 19763
  • 20112
  • 19561
  • 19621
  • 19661
  • 19671
  • 19691
  • 19751

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 18, 1956F3Mercer, North Dakota10.6 mi100 yd01$250K
May 24, 1975F2Mercer, North Dakota24.5 mi50 yd00$25K
July 19, 1976F1Mercer, North Dakota0.5 mi50 yd00$250K
August 21, 1962F1Mercer, North Dakota0 mi33 yd00$25K
August 12, 1969F1Mercer, North Dakota7.6 mi50 yd00$25K
July 12, 1976F1Mercer, North Dakota0 mi33 yd02$25K
July 4, 1988F0Mercer, North Dakota0.2 mi30 yd00$250K
August 1, 2010EF0Mercer, North Dakota1.65 mi40 yd00$50K
July 10, 1997F0Mercer, North Dakota0.2 mi10 yd00$35K
June 11, 1976F0Mercer, North Dakota0 mi33 yd00N/A
May 13, 1977F0Mercer, North Dakota0 mi33 yd00N/A
June 11, 1980F0Mercer, North Dakota0 mi33 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.