Tornado History
Bon Homme Tornado History
This county-level tornado history page focuses on Bon Homme, South Dakota. The records below identify 26 tornadoes from 1954 through 2023, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $1.0M, with 0 deaths and 2 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Bon Homme, South Dakota
Top local patterns from the historical tornado records in this group.
Average 0.4 tornadoes per year (0.3/yr in last decade)
May is the peak tornado month with 9 recorded events
Deadliest tornado: F3 in Bon Homme, South Dakota with 0 deaths
1985 was the most active year with 3 tornadoes
The 1970s had the most tornado activity (6 events)
Longest tornado: 35.6 miles in Bon Homme, South Dakota
Widest tornado: 1,760.0 yards in Bon Homme, South Dakota
Most tornadoes in one day: 3 on Apr 20, 1985
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Bon Homme, South Dakota, May is the most active month with 9 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1985 was the most active year with 3 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 1965 with at least $275K 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 Bon Homme, South Dakota.
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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 5, 1962 | F3 | Bon Homme, South Dakota | 9.5 mi | 1760 yd | 0 | 0 | $250K |
| June 26, 1965 | F3 | Bon Homme, South Dakota | 35.6 mi | 163 yd | 0 | 0 | $250K |
| June 18, 1954 | F3 | Bon Homme, South Dakota | 10.6 mi | 33 yd | 0 | 0 | $25K |
| April 20, 1985 | F2 | Bon Homme, South Dakota | 3.5 mi | 1000 yd | 0 | 0 | $250K |
| May 5, 2007 | EF2 | Bon Homme, South Dakota | 4 mi | 100 yd | 0 | 0 | $100K |
| May 5, 2007 | EF2 | Bon Homme, South Dakota | 3.5 mi | 100 yd | 0 | 0 | $50K |
| May 10, 1956 | F2 | Bon Homme, South Dakota | 5.6 mi | 100 yd | 0 | 2 | $250 |
| March 23, 2009 | EF1 | Bon Homme, South Dakota | 0.86 mi | 100 yd | 0 | 0 | $30K |
| April 20, 1985 | F1 | Bon Homme, South Dakota | 0.1 mi | 3 yd | 0 | 0 | $25K |
| May 14, 1961 | F1 | Bon Homme, South Dakota | 0.3 mi | 60 yd | 0 | 0 | $2K |
| May 6, 1975 | F1 | Bon Homme, South Dakota | 0 mi | 33 yd | 0 | 0 | $250 |
| June 15, 1970 | F1 | Bon Homme, South Dakota | 0 mi | 33 yd | 0 | 0 | N/A |
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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.