Iowa

Storm History: Davis County, Iowa

296 episodes, 416 events since 1962

Every storm the National Weather Service has filed in Davis 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
416
Deaths
1
Injuries
0
Damage
$189 million
Episodes
296

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 Davis 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
Tornado10300$34 million
Hail8400$695,000
Flash Flood6200$2.5 million
Drought3400$110 million
Winter Storm1800$410,000
Ice Storm1600$505,000
High Wind1500$4.6 million
Thunderstorm Wind1400$215,000
Flood1400$23 million
Heavy Snow1300$2.3 million
Blizzard1000$125,000
Cold/Wind Chill710$6.1 million
Frost/Freeze700$4.0 million
Heavy Rain700
Extreme Cold/Wind Chill500
Excessive Heat300$135,000
Funnel Cloud100
Heat100
Lightning100$10,000
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 Davis County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Davis CountyEvery warning in Davis 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.