Tornado History Map

Allamakee County, Iowa tornado history

14 tornadoes recorded in or across Allamakee County from 1954 to 2025, 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 Allamakee County

The Storm Prediction Center records 14 tornadoes whose paths touched Allamakee County, Iowa between 1954 and 2025. None of them is recorded as having killed anyone. The busiest month is July, with 5 tornadoes. The strongest was an F4 on 30 April 1954. The most recent was on 25 June 2025.

  • 14tornadoes
  • 0deaths
  • 2injuries
  • 219per 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 Allamakee County?

RatingTornadoesShare
F0 / EF0429%
F1 / EF1643%
F2 / EF2321%
F3 / EF300%
F4 / EF417%
F5 / EF500%
Unknown rating00%

Allamakee County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 4 in 1960s.1950s11960s41970s11980s11990s22000s22020s3

The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s1
1960s4
1970s1
1980s1
1990s2
2000s2
2020s3
Tornadoes by month
Bar chart of tornadoes by period. The most is 5 in Jul.Jan0Feb0Mar0Apr2May3Jun1Jul5Aug1Sep0Oct1Nov1Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr2
May3
Jun1
Jul5
Aug1
Sep0
Oct1
Nov1
Dec0

Records for Allamakee County

Notable tornadoes in Allamakee County

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

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