Iowa

Storm History: Keokuk County, Iowa

389 episodes, 482 events since 1959

Every storm the National Weather Service has filed in Keokuk 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
482
Deaths
3
Injuries
45
Damage
$60 million
Episodes
389

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 Keokuk 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
Tornado109345$30 million
Hail8000$1.5 million
Winter Storm6300
Flash Flood4800$325,000
Winter Weather3400$2,000
Flood2500$3.8 million
Thunderstorm Wind2300$151,000
Heavy Snow1900$15,000
Drought1800$24 million
Ice Storm1400$307,000
Blizzard1200
Dense Fog700
Extreme Cold/Wind Chill700
High Wind600$100,000
Frost/Freeze600$330,000
Cold/Wind Chill500
Heat400
Strong Wind100
Excessive Heat100

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 Keokuk County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Keokuk CountyEvery warning in Keokuk 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.