Tornado History Map

Dickinson County, Iowa tornado history

30 tornadoes recorded in or across Dickinson County from 1960 to 2024, 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 Dickinson County

The Storm Prediction Center records 30 tornadoes whose paths touched Dickinson County, Iowa between 1960 and 2024. None of them is recorded as having killed anyone. The busiest month is June, with 11 tornadoes. The strongest was an F3 on 31 May 1971. The most recent was on 29 August 2024.

  • 30tornadoes
  • 0deaths
  • 18injuries
  • 788per 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 Dickinson County?

RatingTornadoesShare
F0 / EF01033%
F1 / EF11033%
F2 / EF2723%
F3 / EF313%
F4 / EF400%
F5 / EF500%
Unknown rating27%

Dickinson County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 8 in 1960s.1960s81970s41980s41990s42000s42010s42020s2

The 2020s only run to 2024, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1960s8
1970s4
1980s4
1990s4
2000s4
2010s4
2020s2
Tornadoes by month
Bar chart of tornadoes by period. The most is 11 in Jun.Jan0Feb0Mar0Apr1May7Jun11Jul4Aug4Sep2Oct0Nov0Dec1
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr1
May7
Jun11
Jul4
Aug4
Sep2
Oct0
Nov0
Dec1

Records for Dickinson County

  • Strongest: Iowa tornado31 May 1971, F3, 8 miles long
  • Longest path: Iowa tornado14 June 1981, F2, 21.9 miles long
  • Most recent: Iowa tornado29 August 2024, Unknown rating, 0.8 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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