Ohio

Storm History: Washington County, Ohio

448 episodes, 689 events since 1971

Every storm the National Weather Service has filed in Washington County, Ohio: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
689
Deaths
2
Injuries
13
Damage
$40 million
Episodes
448

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Washington County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Flood15400$20 million
Flash Flood11712$13 million
Hail10700$808,000
Thunderstorm Wind9703$4.3 million
Tornado4818$1.5 million
Heavy Snow3200
Cold/Wind Chill1900$52,000
Winter Storm1800$17,000
Winter Weather1800$75,000
Drought1200
High Wind1200$88,000
Heat1100$20,000
Strong Wind1100$81,000
Heavy Rain900
Extreme Cold/Wind Chill900$215,000
Excessive Heat800
Frost/Freeze300
Lightning200$52,000
Ice Storm200$1,000

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Washington County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Washington CountyEvery warning in Washington County since 1986Every county in Ohio

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.