Iowa

Storm History: Warren County, Iowa

506 episodes, 1,065 events since 1953

Every storm the National Weather Service has filed in Warren 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
1,065
Deaths
1
Injuries
10
Damage
$189 million
Episodes
506

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 Warren 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
Tornado36808$29 million
Hail25800$1.5 million
Flash Flood15200$6.9 million
Flood8100$28 million
Winter Storm3100$505,000
Thunderstorm Wind3002$489,000
Drought3000$110 million
High Wind2200$845,000
Heavy Snow1900$6.5 million
Blizzard1700$360,000
Ice Storm1100$393,000
Heavy Rain1000
Frost/Freeze900$4.0 million
Cold/Wind Chill700$294,000
Extreme Cold/Wind Chill700
Funnel Cloud400
Winter Weather300
Excessive Heat300$135,000
Lightning210$66,000
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 Warren County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Warren CountyEvery warning in Warren 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.