Iowa

Storm History: Wapello County, Iowa

487 episodes, 770 events since 1956

Every storm the National Weather Service has filed in Wapello 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
770
Deaths
2
Injuries
65
Damage
$190 million
Episodes
487

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 Wapello 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
Tornado205213$33 million
Hail16600$1.3 million
Flash Flood10602$4.6 million
Flood80050$30 million
Thunderstorm Wind4500$308,000
Drought3500$110 million
Winter Storm2300$485,000
Ice Storm1800$615,000
High Wind1700$960,000
Heavy Snow1700$3.4 million
Blizzard1400$210,000
Heavy Rain1300
Frost/Freeze800$4.0 million
Cold/Wind Chill700$294,000
Extreme Cold/Wind Chill700
Excessive Heat300$135,000
Funnel Cloud200
Lightning100$50,000
Heat100
Winter Weather100
Sleet100

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 Wapello County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Wapello CountyEvery warning in Wapello 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.