Tornado History Map

McLean County, Illinois tornado history

127 tornadoes recorded in or across McLean County from 1950 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 McLean County

The Storm Prediction Center records 127 tornadoes whose paths touched McLean County, Illinois between 1950 and 2025. None of them is recorded as having killed anyone. The busiest month is June, with 38 tornadoes. The strongest was an F4 on 5 May 1977. The most recent was on 28 December 2025.

  • 127tornadoes
  • 0deaths
  • 10injuries
  • 1,073per 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 McLean County?

RatingTornadoesShare
F0 / EF06350%
F1 / EF14031%
F2 / EF21814%
F3 / EF322%
F4 / EF41<1%
F5 / EF500%
Unknown rating32%

McLean County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 26 in 1980s.1950s51960s81970s231980s261990s232000s212010s92020s12

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

Show the numbers
PeriodCount
1950s5
1960s8
1970s23
1980s26
1990s23
2000s21
2010s9
2020s12
Tornadoes by month
Bar chart of tornadoes by period. The most is 38 in Jun.Jan2Feb0Mar7Apr23May25Jun38Jul6Aug8Sep5Oct1Nov6Dec6
Show the numbers
PeriodCount
Jan2
Feb0
Mar7
Apr23
May25
Jun38
Jul6
Aug8
Sep5
Oct1
Nov6
Dec6

Records for McLean County

  • Strongest: Atlanta, Illinois tornado5 May 1977, F4, 2 injuries, 7.3 miles long
  • Longest path: Illinois tornado4 June 1960, F2, 1 injury, 56.2 miles long
  • Most recent: Illinois tornado28 December 2025, EF1, 0.9 miles long

Notable tornadoes in McLean County

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

More in Illinois

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