Iowa

Storm History: Lee County, Iowa

491 episodes, 722 events since 1954

Every storm the National Weather Service has filed in Lee 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
722
Deaths
1
Injuries
15
Damage
$70 million
Episodes
491

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 Lee 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
Hail17701$26 million
Tornado160111$3.1 million
Flash Flood7301$3.0 million
Flood6700$11 million
Thunderstorm Wind6401$150,000
Winter Storm5500
Winter Weather3300$2,000
Drought1600$25 million
Heavy Snow1500$3,000
Blizzard1100
Ice Storm1000$242,000
Dense Fog900
High Wind800$105,000
Extreme Cold/Wind Chill700
Cold/Wind Chill500
Frost/Freeze500$2.0 million
Heat300
Strong Wind100
Lightning101
Sleet100
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 Lee County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Lee CountyEvery warning in Lee 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.