Tornado History Map

LaSalle County, Illinois tornado history

71 tornadoes recorded in or across LaSalle County from 1951 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 LaSalle County

The Storm Prediction Center records 71 tornadoes whose paths touched LaSalle County, Illinois between 1951 and 2024. They killed 14 people and injured 180. The busiest month is June, with 25 tornadoes. The strongest was an EF4 on 17 November 2013. The most recent was on 14 July 2024.

  • 71tornadoes
  • 14deaths
  • 180injuries
  • 625per 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 LaSalle County?

RatingTornadoesShare
F0 / EF01927%
F1 / EF12535%
F2 / EF21521%
F3 / EF368%
F4 / EF411%
F5 / EF500%
Unknown rating57%

LaSalle County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 25 in 2010s.1950s61960s51970s111980s51990s52000s82010s252020s6

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

Show the numbers
PeriodCount
1950s6
1960s5
1970s11
1980s5
1990s5
2000s8
2010s25
2020s6
Tornadoes by month
Bar chart of tornadoes by period. The most is 25 in Jun.Jan0Feb5Mar0Apr10May7Jun25Jul8Aug5Sep5Oct1Nov3Dec2
Show the numbers
PeriodCount
Jan0
Feb5
Mar0
Apr10
May7
Jun25
Jul8
Aug5
Sep5
Oct1
Nov3
Dec2

Records for LaSalle County

Notable tornadoes in LaSalle 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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