Warren County, Illinois tornadoes

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38confirmed tornadoes since NOAA records began in 1950 (the first here in 1959). Most recent: June 3, 2025, EF1. 2026 so far: 1 preliminary report preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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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.

Recent warnings

Recent warnings in Warren County

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The record

At a glance

Total381950 to 2025
Per year0.5average since 1950
Peak monthApril11 of 38
StrongestF4May 13, 1995
Deaths1whole paths, see note
Injuries12whole paths, see note

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

Seasons

When tornadoes hit here

By month

110 Jan: 0Feb: 0Mar: 2Apr: 11May: 10Jun: 4Jul: 8Aug: 1Sep: 1Oct: 0Nov: 0Dec: 1JanFebMarAprMayJunJulAugSepOctNovDec

April is the peak month, with 11 of 38 tornadoes.

By time of day

90 12 AM: 0: 0: 03 AM: 1: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 0: 1: 23 PM: 4: 8: 96 PM: 7: 4: 29 PM: 0: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 5:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

70 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 11960: 0: 1: 0: 1: 0: 0: 0: 0: 1: 01970: 0: 0: 1: 0: 0: 1: 0: 0: 0: 01980: 0: 0: 1: 0: 0: 0: 0: 0: 0: 01990: 0: 0: 0: 0: 0: 3: 1: 2: 7: 32000: 0: 1: 0: 1: 0: 0: 0: 0: 0: 12010: 0: 0: 0: 0: 0: 4: 2: 0: 0: 02020: 0: 1: 2: 0: 1: 219501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones. This year so far: 1 preliminary reports.

By rating

EF0
18
EF1
10
EF2
6
EF4
1
Unknown
3

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.

The record

Notable tornadoes

Deadliest

F2, September 26, 1959

1 deaths, 0 injuries Strongest

F4, May 13, 1995

50 mile path Longest path

147.4 miles, F1

July 21, 1961, whole path Widest

1,000 yards, F4

May 13, 1995
Every tornado

All 38 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jun 3, 2025EF17.78 mi50 yd00
Apr 20, 2025EF03.99 mi25 yd00
Mar 14, 2024EF11.06 mi150 yd00
May 13, 2022EFU0.11 mi10 yd00
May 13, 2022EFU0.12 mi10 yd00
Aug 25, 2021EFU0.11 mi30 yd00
May 9, 2016EF00.09 mi25 yd00
Mar 15, 2016EF18.27 mi400 yd00
Dec 23, 2015EF110.7 mi50 yd00
Jul 16, 2015EF25.95 mi700 yd01
Jul 16, 2015EF21.72 mi300 yd00
Jul 16, 2015EF11.41 mi50 yd00
May 8, 2009EF00.52 mi25 yd00
May 10, 2003F269.2 mi300 yd04
Jul 17, 2001F00.1 mi10 yd00
Apr 22, 1999F00.1 mi10 yd00
Apr 8, 1999F020 mi10 yd00
Apr 5, 1999F29.4 mi100 yd00
Jun 29, 1998F01 mi30 yd00
Jun 18, 1998F00.1 mi30 yd00
Apr 7, 1998F00.1 mi30 yd00
Apr 7, 1998F10.1 mi30 yd00
Apr 7, 1998F10.5 mi30 yd00
Apr 7, 1998F00.1 mi30 yd00
Apr 7, 1998F00.1 mi30 yd00
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Jun 17, 2026MonmouthNot yet rated

Preliminary reports from the Storm Prediction Center. One tornado can be reported more than once, and NOAA confirms the final record months later.

Nearby

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 13, 2026.