Iowa

Storm History: Dickinson County, Iowa

603 episodes, 845 events since 1956

Every storm the National Weather Service has filed in Dickinson 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
845
Deaths
0
Injuries
21
Damage
$35 million
Episodes
603

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 Dickinson 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
Hail18800$327,000
Tornado110020$14 million
Winter Weather8800
Flood8000$5.0 million
Flash Flood6900$1.2 million
Thunderstorm Wind6200$338,000
Winter Storm4700$10 million
Blizzard4201$33,000
Drought3800$3.3 million
High Wind3300$307,000
Excessive Heat2000
Cold/Wind Chill1700
Extreme Cold/Wind Chill1700
Heavy Snow1600
Ice Storm900$30,000
Heat400
Strong Wind300
Wildfire200

The deadliest

None recorded.

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 Dickinson County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Dickinson CountyEvery warning in Dickinson 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.