Mercer County tornado history

29 tornadoes touched Mercer County, Ohio between 1950 and 2025 — about 0.4 a year. The strongest was rated F4 (Apr 11, 1965). Tornadoes here killed 5 and injured 147 people.

29tornadoes since 1950
F4strongest rating
5killed · 147 injured
52.5 milongest path · 1965
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F010
(E)F19
(E)F27
(E)F31
(E)F41
(E)F50
unrated1

By month

JFMAMJJASOND

Peak month: May.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
Apr 11, 1965F452.5 mi10 yd1254
May 27, 2019EF310.8 mi250 yd81
Nov 5, 2017EF238.7 mi600 yd10
May 7, 2024EF28.1 mi400 yd00
May 7, 2024EF26.4 mi300 yd00
Jun 18, 2021EF25.6 mi200 yd00
Nov 5, 2017EF25.4 mi200 yd80
Apr 19, 2011EF23.7 mi30 yd00
Jul 12, 1992F23 mi73 yd00
Mar 14, 2024EF115.9 mi1,050 yd00
Mar 10, 1986F114 mi73 yd00
Mar 14, 2024EF19.3 mi450 yd00

Most recent tornadoes

DateRatingPathWidthInjuredKilled
May 7, 2024EF28.1 mi400 yd00
May 7, 2024EF26.4 mi300 yd00
May 4, 2024unrated0.6 mi30 yd00
Mar 14, 2024EF19.3 mi450 yd00
Mar 14, 2024EF115.9 mi1,050 yd00
Mar 31, 2023EF08.4 mi200 yd00
Jun 18, 2021EF25.6 mi200 yd00
May 27, 2019EF310.8 mi250 yd81
Nov 5, 2017EF238.7 mi600 yd10
Nov 5, 2017EF25.4 mi200 yd80
Jul 10, 2017EF06.3 mi150 yd00
Jun 12, 2013EF00.1 mi100 yd00

Deadliest: Apr 11, 1965, F4, 4 killed.

Nearby counties

Jay County, IN17Auglaize County, OH23Adams County, IN24Van Wert County, OH40Shelby County, OH9Darke County, OH33Allen County, OH24Randolph County, IN21

Questions

How many tornadoes has Mercer County, Ohio had?

29 tornadoes touched Mercer County, Ohio between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.4 per year.

What was the strongest tornado in Mercer County?

The strongest rating recorded was F4 on Apr 11, 1965, with a 52.5-mile path and 4 deaths.

When is tornado season in Mercer County?

Most of its tornadoes happened in May (7 of 29). Tornadoes can occur in any month, so keep alerts on year-round.

Right now: live tornado warnings map · alerts for your location. Dates link to that day’s full storm reports where available.