LaSalle County, Illinois tornadoes

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66 confirmed tornadoes since NOAA records began in 1950 (the first here in 1955). Most recent: July 14, 2024, EFU. 2026 so far: 0 preliminary reports preliminary

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Every tornado path in the county

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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

At a glance

Total661950 to 2025
Per year0.9average since 1950
Peak monthJune23 of 66
StrongestEF4Nov 17, 2013
Deaths13whole paths, see note
Injuries179whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond LaSalle County.

When tornadoes hit here

By month

230 Jan: 0Feb: 5Mar: 0Apr: 10May: 7Jun: 23Jul: 7Aug: 4Sep: 5Oct: 1Nov: 3Dec: 1JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 23 of 66 tornadoes.

By time of day

150 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 29 AM: 0: 2: 012 PM: 4: 2: 43 PM: 2: 8: 96 PM: 8: 15: 39 PM: 3: 1: 312 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 7:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

80 1950: 0: 0: 0: 0: 0: 1: 2: 0: 0: 11960: 1: 2: 0: 0: 0: 2: 0: 0: 0: 01970: 0: 0: 2: 0: 2: 1: 0: 2: 2: 01980: 0: 0: 0: 0: 1: 1: 1: 1: 1: 01990: 0: 2: 0: 0: 0: 1: 1: 1: 0: 02000: 1: 0: 0: 2: 4: 0: 1: 0: 0: 02010: 4: 0: 0: 2: 1: 3: 8: 5: 1: 02020: 1: 1: 0: 2: 2: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
19
EF1
24
EF2
13
EF3
4
EF4
1
Unknown
5

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

Notable tornadoes

Deadliest

F3, April 20, 2004

8 deaths, 12 injuries Strongest

EF4, November 17, 2013

46.36 mile path Longest path

46.36 miles, EF4

November 17, 2013, whole path Widest

880 yards, F3

April 20, 2004

All 66 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jul 14, 2024EFU3.9 mi100 yd00
Jul 14, 2024EFU4.2 mi150 yd00
Jul 28, 2023EFU1.68 mi20 yd00
May 7, 2023EFU0.09 mi25 yd00
Oct 11, 2021EFU0.4 mi40 yd00
Aug 10, 2020EF10.9 mi150 yd00
May 30, 2018EF00.9 mi30 yd00
Feb 28, 2017EF25.6 mi75 yd00
Feb 28, 2017EF317.77 mi600 yd00
Feb 28, 2017EF12.8 mi200 yd00
Feb 28, 2017EF311.5 mi800 yd214
Feb 28, 2017EF01.75 mi50 yd00
Jun 22, 2016EF28.05 mi300 yd00
Jun 22, 2016EF14.5 mi100 yd00
Jun 22, 2016EF10.5 mi50 yd00
Jun 22, 2016EF11.7 mi250 yd00
Jun 22, 2016EF10.5 mi50 yd00
Jun 22, 2016EF11.4 mi250 yd00
Jun 22, 2016EF00.3 mi75 yd00
Jun 22, 2016EF14.3 mi400 yd00
Jun 22, 2015EF17.05 mi150 yd00
Jun 22, 2015EF16.04 mi150 yd00
Jun 22, 2015EF11.48 mi150 yd00
Jun 30, 2014EF11.51 mi50 yd00
Nov 17, 2013EF446.36 mi880 yd3125

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 12, 2026.