Warren County, Ohio tornadoes

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35confirmed tornadoes since NOAA records began in 1950 (the first here in 1956). Most recent: April 2, 2025, EF0. 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

Total351950 to 2025
Per year0.5average since 1950
Peak monthMay11 of 35
StrongestF4Apr 9, 1999
Deaths6whole paths, see note
Injuries184whole 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: 4Apr: 7May: 11Jun: 4Jul: 4Aug: 3Sep: 1Oct: 1Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

May is the peak month, with 11 of 35 tornadoes.

By time of day

50 12 AM: 0: 1: 03 AM: 2: 1: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 1: 3: 33 PM: 3: 3: 46 PM: 3: 2: 59 PM: 1: 1: 212 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 8:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

60 1950: 0: 0: 0: 0: 0: 0: 1: 0: 0: 11960: 0: 0: 0: 0: 0: 0: 0: 0: 0: 11970: 0: 0: 0: 0: 3: 1: 1: 1: 0: 01980: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01990: 2: 1: 1: 0: 0: 0: 0: 0: 0: 32000: 0: 0: 0: 0: 0: 1: 2: 0: 0: 02010: 0: 0: 3: 0: 0: 0: 1: 1: 0: 02020: 0: 0: 1: 0: 6: 419501960197019801990200020102020

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
19
EF1
8
EF2
4
EF3
1
EF4
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

F4, April 9, 1999

4 deaths, 65 injuries Strongest

F4, April 9, 1999

10 mile path Longest path

54.5 miles, F3

May 10, 1969, whole path Widest

1,350 yards, F4

June 2, 1990
Every tornado

All 35 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Apr 2, 2025EF08.51 mi200 yd00
Apr 2, 2025EF02.98 mi200 yd00
Mar 30, 2025EF03.05 mi150 yd00
Mar 30, 2025EF011.71 mi200 yd00
Jul 29, 2024EF18 mi200 yd00
May 7, 2024EF00.51 mi150 yd00
May 7, 2024EF12.73 mi350 yd00
May 7, 2024EF00.43 mi50 yd00
May 7, 2024EF12.64 mi150 yd00
May 7, 2024EF00.33 mi100 yd00
Mar 23, 2022EF01.71 mi50 yd00
May 24, 2017EF00.2 mi25 yd00
Jun 23, 2016EF120.7 mi250 yd00
May 1, 2012EF00.03 mi50 yd00
May 1, 2012EF00.01 mi10 yd00
Mar 23, 2012EF00.44 mi50 yd00
Jul 11, 2006F00.3 mi25 yd00
Jul 11, 2006F14 mi50 yd00
Aug 30, 2005F02 mi300 yd00
Aug 24, 1999F010 mi500 yd00
Apr 9, 1999F21.5 mi100 yd00
Apr 9, 1999F410 mi270 yd465
Jul 12, 1992F10.1 mi200 yd00
Aug 20, 1991F00.1 mi20 yd00
Sep 14, 1990F235 mi200 yd06
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Aug 1, 20262 WSW FranklinNot 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.