Ottawa County, Ohio tornadoes

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15 confirmed tornadoes since NOAA records began in 1950 (the first here in 1959). Most recent: June 18, 2025, EF0. 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

Total151950 to 2025
Per year0.2average since 1950
Peak monthJune6 of 15
StrongestEF4Jun 5, 2010
Deaths7whole paths, see note
Injuries45whole paths, see note

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

When tornadoes hit here

By month

60 Jan: 0Feb: 0Mar: 0Apr: 1May: 2Jun: 6Jul: 2Aug: 1Sep: 0Oct: 1Nov: 2Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 6 of 15 tornadoes.

By time of day

40 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 0: 0: 13 PM: 2: 4: 36 PM: 2: 0: 09 PM: 2: 1: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 4:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

20 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 11960: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01970: 0: 0: 0: 0: 1: 0: 0: 0: 0: 01980: 0: 0: 0: 0: 0: 0: 1: 0: 0: 01990: 0: 0: 2: 0: 0: 0: 0: 0: 1: 02000: 0: 0: 1: 1: 0: 0: 0: 0: 0: 02010: 1: 1: 0: 1: 0: 0: 0: 0: 0: 02020: 0: 0: 0: 2: 0: 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.

By rating

EF0
6
EF1
4
EF2
4
EF4
1

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

EF4, June 5, 2010

7 deaths, 28 injuries Strongest

EF4, June 5, 2010

8.8 mile path Longest path

18 miles, F1

June 10, 1986, whole path Widest

400 yards, EF4

June 5, 2010

All 15 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jun 18, 2025EF02.93 mi10 yd00
Jun 18, 2025EF00.54 mi10 yd00
Aug 24, 2023EF14.49 mi100 yd00
Jun 15, 2023EF23.44 mi200 yd00
Nov 17, 2013EF10.76 mi75 yd00
Apr 19, 2011EF01.53 mi30 yd00
Jun 5, 2010EF48.8 mi400 yd728
Oct 14, 2003F00.1 mi25 yd00
Nov 10, 2002F210 mi50 yd04
Jun 24, 1998F23.5 mi100 yd013
Jul 12, 1992F00.1 mi20 yd00
Jul 12, 1992F210 mi150 yd00
Jun 10, 1986F118 mi73 yd00
May 11, 1974F10.2 mi20 yd00
May 11, 1959F00.1 mi10 yd00

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.