Indiana

Storm History: Hamilton County, Indiana

436 episodes, 709 events since 1961

Every storm the National Weather Service has filed in Hamilton County, Indiana: 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
709
Deaths
14
Injuries
64
Damage
$88 million
Episodes
436

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 Hamilton 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
Hail179111$6.9 million
Tornado166638$29 million
Flash Flood9422$9.6 million
Thunderstorm Wind8503$859,000
Flood7922$38 million
Winter Storm2300$10,000
Lightning2312$2.7 million
Heavy Snow1700$75,000
High Wind1500$158,000
Drought1100
Ice Storm300$500
Winter Weather326$50,000
Extreme Cold/Wind Chill300
Cold/Wind Chill200
Excessive Heat200
Dense Fog100
Heat100
Blizzard100
Strong Wind100$10,000

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 Hamilton County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Hamilton CountyEvery warning in Hamilton County since 1986Every county in Indiana

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.