Tornado History Map

Bon Homme County, South Dakota tornado history

28 tornadoes recorded in or across Bon Homme County from 1954 to 2023, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Bon Homme County

The Storm Prediction Center records 28 tornadoes whose paths touched Bon Homme County, South Dakota between 1954 and 2023. None of them is recorded as having killed anyone. The busiest month is May, with 11 tornadoes. The strongest was an F3 on 26 June 1965. The most recent was on 3 July 2023.

  • 28tornadoes
  • 0deaths
  • 4injuries
  • 497per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in Bon Homme County?

RatingTornadoesShare
F0 / EF01346%
F1 / EF1621%
F2 / EF2414%
F3 / EF3414%
F4 / EF400%
F5 / EF500%
Unknown rating14%

Bon Homme County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 6 in 1970s.1950s21960s51970s61980s51990s22000s42010s22020s2

The 2020s only run to 2023, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s2
1960s5
1970s6
1980s5
1990s2
2000s4
2010s2
2020s2
Tornadoes by month
Bar chart of tornadoes by period. The most is 11 in May.Jan0Feb0Mar1Apr4May11Jun8Jul3Aug0Sep1Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar1
Apr4
May11
Jun8
Jul3
Aug0
Sep1
Oct0
Nov0
Dec0

Records for Bon Homme County

  • Strongest and Longest path: South Dakota tornado26 June 1965, F3, 35.6 miles long
  • Most recent: South Dakota tornado3 July 2023, EF0, 1.2 miles long

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

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