Tornado History Map

Monroe County, Illinois tornado history

45 tornadoes recorded in or across Monroe County from 1957 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 Monroe County

The Storm Prediction Center records 45 tornadoes whose paths touched Monroe County, Illinois between 1957 and 2025. None of them is recorded as having killed anyone. The busiest month is April, with 16 tornadoes. The strongest was an F3 on 11 March 2006. The most recent was on 20 April 2025.

  • 45tornadoes
  • 0deaths
  • 2injuries
  • 1,168per 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 Monroe County?

RatingTornadoesShare
F0 / EF01533%
F1 / EF11942%
F2 / EF2818%
F3 / EF324%
F4 / EF400%
F5 / EF500%
Unknown rating12%

Monroe County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 10 in 1990s.1950s41960s61970s41980s11990s102000s62010s62020s8

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

Show the numbers
PeriodCount
1950s4
1960s6
1970s4
1980s1
1990s10
2000s6
2010s6
2020s8
Tornadoes by month
Bar chart of tornadoes by period. The most is 16 in Apr.Jan0Feb0Mar6Apr16May16Jun4Jul0Aug1Sep2Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar6
Apr16
May16
Jun4
Jul0
Aug1
Sep2
Oct0
Nov0
Dec0

Records for Monroe County

  • Strongest: Missouri tornado11 March 2006, F3, 5.1 miles long
  • Longest path: Illinois tornado3 May 1958, F1, 75.9 miles long
  • Most recent: Illinois tornado20 April 2025, EF1, 0.4 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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