Tornado History

Linn Tornado History

This county-level tornado history page focuses on Linn, Iowa. The records below identify 64 tornadoes from 1953 through 2025, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $32.6M, with 0 deaths and 29 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes64
Total Deaths0
Total Injuries29
Property Damage$32.6M
Avg Length4.2 mi
Avg Width105 yd

Key Tornado Facts for Linn, Iowa

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

Average 0.9 tornadoes per year (1.9/yr in last decade)
May is the peak tornado month with 14 recorded events
Deadliest tornado: F3 in Linn, Iowa with 0 deaths
1998 was the most active year with 5 tornadoes
The 1990s had the most tornado activity (13 events)
Longest tornado: 80.4 miles in Linn, Iowa
Widest tornado: 2,200.0 yards in Linn, Iowa
Most tornadoes in one day: 3 on Jul 20, 2003

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 Linn, Iowa, May is the most active month with 14 tornadoes.

Annual Tornado Trend

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

5420

Summary: 1998 was the most active year with 5 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
F3
F4
Unknown
EFU

Summary: F0 tornadoes are the most common in this group, with 17 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.

$25.0M$2.5M$250K$0

Summary: The highest reported property damage year in this group is 1990 with at least $25.0M in NOAA-listed property damage.

Historical Track Sketch

F4 March 13, 19901990F4 April 30, 19541954F3 May 21, 20042004F3 May 20, 19531953F2 September 28, 19721972F2 July 20, 20032003F2 July 20, 20032003F2 May 4, 19641964F2 May 26, 19651965F2 October 14, 19661966EF2 July 17, 20162016F2 May 23, 19541954F2 June 5, 19661966EF2 June 28, 20172017EF2 July 11, 2025EF1 April 26, 2009F1 July 13, 1979F1 June 29, 1983F1 May 31, 2000EF1 July 18, 2007EF1 September 3, 2018F1 June 9, 1979F1 August 14, 1985F1 April 26, 1989F1 July 20, 2003F1 August 26, 2004EF1 September 25, 2018F1 May 14, 1991F1 May 18, 1997F1 August 26, 2004EF1 December 23, 2015EF1 September 3, 2018EF1 March 31, 2023EF1 July 11, 2025EF1 July 11, 2025F0 April 13, 2006F0 August 18, 1987F0 September 12, 1991F0 April 29, 1984F0 July 4, 1990F0 July 27, 1995F0 May 8, 1998F0 May 29, 1956F0 October 6, 1982F0 May 8, 1998F0 June 18, 1998F0 May 28, 1998F0 May 28, 1998F0 June 10, 1999F0 June 10, 1999F0 April 11, 2001F0 June 29, 2005EF0 April 27, 2014EF0 August 28, 2016EF0 September 3, 2018EF0 April 7, 2021EF0 June 25, 2024Unknown October 14, 1966EFU June 9, 2019EFU August 10, 2020EFU July 14, 2021EFU July 14, 2021EFU January 16, 2023EFU May 24, 2024© OpenStreetMap contributors
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Linn, Iowa.
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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
March 13, 1990F4Linn, Iowa4 mi200 yd00$25.0M
April 30, 1954F4Linn, Iowa80.4 mi200 yd00N/A
May 21, 2004F3Linn, Iowa3 mi200 yd00$250K
May 20, 1953F3Linn, Iowa9.4 mi400 yd04N/A
September 28, 1972F2Linn, Iowa21.9 mi2200 yd03$2.5M
July 20, 2003F2Linn, Iowa0.3 mi200 yd00$2.0M
July 20, 2003F2Linn, Iowa1 mi300 yd00$500K
May 4, 1964F2Linn, Iowa2.3 mi200 yd01$250K
May 26, 1965F2Linn, Iowa19.8 mi33 yd014$250K
October 14, 1966F2Linn, Iowa5 mi33 yd00$250K
July 17, 2016EF2Linn, Iowa0.53 mi75 yd04$250K
May 23, 1954F2Linn, Iowa0 mi100 yd00$2K
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Source And Limits

Data sourced from NOAA Storm Prediction Center and the NCEI Storm Events Database. TornadoTrace summarizes reported weather events for screening and research; it is not a damage assessment, inspection, or insurance determination. Coordinates and records can be approximate, incomplete, revised, or missing. No warranty of completeness or accuracy.

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