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Tornado History

Grand Forks Tornado History

This county-level tornado history page focuses on Grand Forks, North Dakota. The records below identify 92 tornadoes from 1952 through 2025, including a highest listed rating of EF4 (Devastating damage). NOAA damage estimates in this group total at least $50.4M, with 1 deaths and 20 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes92
Total Deaths1
Total Injuries20
Property Damage$50.4M
Avg Length2.2 mi
Avg Width112 yd

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Key Tornado Facts for Grand Forks, North Dakota

Top local patterns from the historical tornado records in this group.

Average 1.2 tornadoes per year (3.1/yr in last decade)
June is the peak tornado month with 42 recorded events
Deadliest tornado: EF4 in Grand Forks, North Dakota with 1 deaths
2025 was the most active year with 11 tornadoes
The 2010s had the most tornado activity (33 events)
Longest tornado: 10 miles in Grand Forks, North Dakota
Widest tornado: 1,400.0 yards in Grand Forks, North Dakota
Most tornadoes in one day: 10 on Aug 8, 2025

Monthly Distribution

Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.

January
February
March
April
May
June
July
August
September
October
November
December

Summary: In Grand Forks, North Dakota, June is the most active month with 42 tornadoes.

Annual Tornado Trend

Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.

11840

Summary: 2025 was the most active year with 11 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
F3
EF3
EF4
Unknown

Summary: EF0 tornadoes are the most common in this group, with 28 recorded events.

Property Damage Trends

Visualizes reported property damage over time. Bars use a log-like scale so very large damage years do not flatten the rest of the chart.

$50.0M$5.0M$500K$0

Summary: The highest reported property damage year in this group is 2007 with at least $50.0M in NOAA-listed property damage.

Historical Track Sketch

EF4 August 26, 20072007EF4 June 17, 20102010F3 August 11, 19581958EF3 August 26, 20072007F2 May 26, 19781978F2 July 9, 19521952F2 June 30, 19551955EF2 August 26, 20072007EF2 August 10, 20102010EF2 June 17, 20102010EF2 June 27, 20152015F1 July 4, 19821982EF1 June 8, 20202020F1 July 18, 20042004F1 May 11, 1986EF1 July 11, 2017EF1 August 9, 2021F1 June 12, 2000F1 June 23, 2004F1 June 23, 2004F1 May 20, 2005EF1 August 26, 2007EF1 June 26, 2009EF1 June 17, 2010EF1 June 17, 2010EF1 July 12, 2012EF1 June 20, 2012EF1 July 21, 2014EF1 June 27, 2015EF1 August 27, 2016EF1 June 29, 2018EF1 July 22, 2022EF1 July 7, 2025EF1 August 8, 2025EF1 August 8, 2025EF1 August 8, 2025EF1 August 8, 2025EF1 August 8, 2025EF1 August 8, 2025EF0 June 8, 2020EF0 July 11, 2017F0 August 25, 1983F0 August 25, 1983F0 July 24, 1978F0 June 3, 1979F0 June 27, 1981F0 August 5, 1987F0 June 22, 1992F0 June 22, 1992F0 June 27, 1998F0 June 12, 2000F0 June 12, 2000F0 July 18, 2001F0 July 18, 2001F0 June 20, 2001F0 July 18, 2004F0 May 19, 2004F0 May 19, 2004F0 May 19, 2004F0 May 19, 2004F0 June 19, 2005F0 June 19, 2005F0 May 20, 2005EF0 June 26, 2009EF0 June 26, 2009EF0 June 17, 2010EF0 June 17, 2010EF0 June 17, 2010EF0 June 21, 2010EF0 June 20, 2012EF0 July 12, 2015EF0 June 27, 2015EF0 June 27, 2015EF0 July 7, 2016EF0 July 7, 2016EF0 August 27, 2016EF0 June 7, 2017EF0 June 7, 2017EF0 June 7, 2017EF0 June 7, 2017© OpenStreetMap contributors

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
August 26, 2007EF4Grand Forks, North Dakota5 mi1400 yd118$50.0M
June 17, 2010EF4Grand Forks, North Dakota8 mi150 yd00N/A
August 11, 1958F3Grand Forks, North Dakota0 mi33 yd02$25K
August 26, 2007EF3Grand Forks, North Dakota1 mi580 yd00N/A
May 26, 1978F2Grand Forks, North Dakota0.5 mi20 yd00$250K
July 9, 1952F2Grand Forks, North Dakota0 mi33 yd00$2K
June 30, 1955F2Grand Forks, North Dakota4.1 mi77 yd00$2K
August 26, 2007EF2Grand Forks, North Dakota2 mi300 yd00N/A
August 10, 2010EF2Grand Forks, North Dakota0.9 mi50 yd00N/A
June 17, 2010EF2Grand Forks, North Dakota7 mi100 yd00N/A
June 27, 2015EF2Grand Forks, North Dakota3 mi400 yd00N/A
July 4, 1982F1Grand Forks, North Dakota0.6 mi13 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.