Severe Weather History


Ohio Heavy Rain History: 291 Recorded Events

290

Recorded events

81

Counties affected

1

Direct deaths

$591K

Property damage

Ohio heavy rain history: 290 recorded events across 81 counties between 1996 and 2025.

Decade by decade

Ohio heavy rain history by decade

Ohio heavy rain history: recorded events per decade
Ohio heavy rain history: recorded events per decade

The 2010s are the busiest decade on record with 147 reported heavy rain events across Ohio. Earlier decades are thinner because systematic reporting for this hazard expanded over time, not because the weather was calmer.

County ranking

Counties with the most heavy rain events in Ohio

RankCountyEventsDeathsDamageSpan
#1Hamilton County160$22K2011–2016
#2Greene County70$02011–2015
#3Gallia County61$15K1999–2011
#4Clark County60$02011–2014
#5Butler County60$3K2011–2015
#6Warren County60$02012–2016
#7Franklin County60$02011–2013
#8Scioto County60$2K2011–2015
#9Lawrence County50$45K1999–2009
#10Champaign County50$1K2011–2015
#11Fairfield County50$1K2011–2015
#12Montgomery County50$1K2011–2016
#13Delaware County50$1K2011–2013
#14Highland County50$402K1997–2014
#15Guernsey County40$02018–2020
#16Muskingum County40$02012–2021
#17Meigs County40$2K2000–2012
#18Licking County40$02013–2016
#19Logan County40$4K2011–2016
#20Carroll County40$02018–2025
#21Jackson County40$15K2000–2020
#22Belmont County40$02015–2021
#23Preble County30$2K2011–2015
#24Jefferson County30$02018–2022
#25Brown County30$1K2011–2013
Source: NOAA/NCEI Storm Events · ranked by recorded event count

Significant events

Deadliest heavy rain events in Ohio

DateCountyScaleDeathsInjuries
Mar 20, 2008Gallia County—10
Source: NOAA/NCEI Storm Events · dates UTC

All hazards in Ohio · Heavy Rain across the U.S.