Lake County, South Dakota tornado history

30 tornadoes recorded in or across Lake County from 1956 to 2021, coloured by rating on the map.

Tap or scroll to load the interactive map

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 Lake County

The Storm Prediction Center records 30 tornadoes whose paths touched Lake County, South Dakota between 1956 and 2021. None of them is recorded as having killed anyone. The busiest month is June, with 14 tornadoes. The strongest was an F4 on 7 June 1993. The most recent was on 24 May 2021.

  • 30tornadoes
  • 0deaths
  • 6injuries
  • 533per 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 Lake County?

RatingTornadoesShare
F0 / EF01033%
F1 / EF1827%
F2 / EF2620%
F3 / EF3413%
F4 / EF413%
F5 / EF500%
Unknown rating13%

Lake County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 7 in 1990s.1950s21960s51970s51980s31990s72000s42010s32020s1

The 2020s only run to 2021, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s2
1960s5
1970s5
1980s3
1990s7
2000s4
2010s3
2020s1
Tornadoes by month
Bar chart of tornadoes by period. The most is 14 in Jun.Jan0Feb0Mar0Apr0May7Jun14Jul4Aug3Sep2Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr0
May7
Jun14
Jul4
Aug3
Sep2
Oct0
Nov0
Dec0

Records for Lake County

  • Strongest: Canova, South Dakota tornado7 June 1993, F4, 4 injuries, 10 miles long
  • Longest path: South Dakota tornado29 June 1956, F2, 1 injury, 18.6 miles long
  • Most recent: South Dakota tornado24 May 2021, Unknown rating, 3.3 miles long

Notable tornadoes in Lake County

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

More in South Dakota

Embed this map

Copy this code into your web page. It is free to use. Please keep the link under the map, as it is how people find where the map comes from.