Tornado History Map

Iron County, Michigan tornado history

10 tornadoes recorded in or across Iron County from 1957 to 2020, 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 Iron County

The Storm Prediction Center records 10 tornadoes whose paths touched Iron County, Michigan between 1957 and 2020. None of them is recorded as having killed anyone. The busiest month is August, with 4 tornadoes. The strongest was an F2 on 14 June 1981. The most recent was on 9 August 2020.

  • 10tornadoes
  • 0deaths
  • 2injuries
  • 86per 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 Iron County?

RatingTornadoesShare
F0 / EF0440%
F1 / EF1550%
F2 / EF2110%
F3 / EF300%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Iron County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 2 in 1950s.1950s21970s21980s11990s12010s22020s2

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

Show the numbers
PeriodCount
1950s2
1970s2
1980s1
1990s1
2010s2
2020s2
Tornadoes by month
Bar chart of tornadoes by period. The most is 4 in Aug.Jan0Feb0Mar0Apr1May0Jun3Jul2Aug4Sep0Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr1
May0
Jun3
Jul2
Aug4
Sep0
Oct0
Nov0
Dec0

Records for Iron County

  • Strongest: Michigan tornado14 June 1981, F2, 2.6 miles long
  • Longest path: Wisconsin tornado14 June 1957, F1, 7.8 miles long
  • Most recent: Michigan tornado9 August 2020, EF1, 3.8 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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