Tornado History Map

Pennington County, South Dakota tornado history

54 tornadoes recorded in or across Pennington County from 1953 to 2019, 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 Pennington County

The Storm Prediction Center records 54 tornadoes whose paths touched Pennington County, South Dakota between 1953 and 2019. None of them is recorded as having killed anyone. The busiest month is June, with 17 tornadoes. The strongest was an F2 on 20 June 1968. The most recent was on 4 July 2019.

  • 54tornadoes
  • 0deaths
  • 10injuries
  • 194per 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 Pennington County?

RatingTornadoesShare
F0 / EF03361%
F1 / EF11630%
F2 / EF259%
F3 / EF300%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Pennington County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 12 in 1990s.1950s41960s81970s91980s111990s122000s22010s8

The 2010s only run to 2019, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s4
1960s8
1970s9
1980s11
1990s12
2000s2
2010s8
Tornadoes by month
Bar chart of tornadoes by period. The most is 17 in Jun.Jan0Feb0Mar0Apr1May13Jun17Jul16Aug6Sep1Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr1
May13
Jun17
Jul16
Aug6
Sep1
Oct0
Nov0
Dec0

Records for Pennington County

  • Strongest: South Dakota tornado20 June 1968, F2, 13.1 miles long
  • Longest path: South Dakota tornado5 May 1975, F1, 27.4 miles long
  • Most recent: South Dakota tornado4 July 2019, EF1, 1.2 miles long

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

More in South Dakota

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