Iowa

Storm History: Chickasaw County, Iowa

357 episodes, 495 events since 1953

Every storm the National Weather Service has filed in Chickasaw County, Iowa: 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
495
Deaths
1
Injuries
5
Damage
$28 million
Episodes
357

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 Chickasaw 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
Tornado11103$9.7 million
Hail10500$5.8 million
Winter Storm4900$110,000
Flash Flood4910$10 million
Thunderstorm Wind3301$1.4 million
Blizzard2300
Extreme Cold/Wind Chill2100
Drought2100
Flood1601$534,000
High Wind1500$191,000
Heavy Snow1500
Cold/Wind Chill900
Heat700
Winter Weather700
Excessive Heat500$33,000
Ice Storm300
Funnel Cloud200
Strong Wind200$700
Lightning100$50,000
Dense Fog100

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 Chickasaw County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Chickasaw CountyEvery warning in Chickasaw County since 1986Every county in Iowa

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.