Tornado History
Dearborn Tornado History
This county-level tornado history page focuses on Dearborn, Indiana. The records below identify 17 tornadoes from 1974 through 2025, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $3.2M, with 0 deaths and 21 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Dearborn, Indiana
Top local patterns from the historical tornado records in this group.
Average 0.3 tornadoes per year (0.4/yr in last decade)
June is the peak tornado month with 6 recorded events
Deadliest tornado: F4 in Dearborn, Indiana with 0 deaths
1990 was the most active year with 2 tornadoes
The 1990s had the most tornado activity (8 events)
Longest tornado: 6 miles in Dearborn, Indiana
Widest tornado: 880.0 yards in Dearborn, Indiana
Most tornadoes in one day: 2 on Jun 2, 1990
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Dearborn, Indiana, June is the most active month with 6 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1990 was the most active year with 2 recorded tornadoes.
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.
Summary: The highest reported property damage year in this group is 1990 with at least $2.8M in NOAA-listed property damage.
Historical Track Sketch
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Dearborn, Indiana.
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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.
| Date | Rating | Area | Length | Width | Deaths | Injuries | Min. property damage |
|---|---|---|---|---|---|---|---|
| June 2, 1990 | F4 | Dearborn, Indiana | 6 mi | 880 yd | 0 | 21 | $2.5M |
| April 3, 1974 | F4 | Dearborn, Indiana | 4.7 mi | 667 yd | 0 | 0 | N/A |
| June 2, 1990 | F2 | Dearborn, Indiana | 2.5 mi | 440 yd | 0 | 0 | $250K |
| June 18, 2021 | EF1 | Dearborn, Indiana | 0.49 mi | 150 yd | 0 | 0 | $50K |
| April 9, 1999 | F0 | Dearborn, Indiana | 1 mi | 50 yd | 0 | 0 | $250K |
| May 23, 2011 | EF0 | Dearborn, Indiana | 1.6 mi | 50 yd | 0 | 0 | $40K |
| April 8, 2020 | EF0 | Dearborn, Indiana | 0.96 mi | 150 yd | 0 | 0 | $40K |
| June 4, 2008 | EF0 | Dearborn, Indiana | 0.71 mi | 50 yd | 0 | 0 | $30K |
| July 30, 1992 | F0 | Dearborn, Indiana | 1 mi | 70 yd | 0 | 0 | $25K |
| August 17, 1997 | F0 | Dearborn, Indiana | 0.5 mi | 100 yd | 0 | 0 | $20K |
| October 7, 2017 | EF0 | Dearborn, Indiana | 2.86 mi | 100 yd | 0 | 0 | $20K |
| May 16, 2025 | EF0 | Dearborn, Indiana | 0.39 mi | 250 yd | 0 | 0 | $10K |
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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.