Severe Weather History


Hazard archive · 1950 — present

Flood in Dallas County, Iowa

83

Recorded events

0

Direct deaths

0

Direct injuries

$6.6M

Property damage

Flood in Dallas County, Iowa: 83 recorded events between 1996 and 2022. The strongest on record measured 0. That places the county #94 nationally and #8 statewide for this hazard.

Decade by decade

Flood in Dallas County, Iowa: events per decade

Flood in Dallas County, Iowa: recorded events per decade
Flood in Dallas County, Iowa: recorded events per decade

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for flood in Dallas County is the 2010s, when 51 of the county's 83 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the Dallas County archive, flood makes up 8.6% of all recorded severe weather across 8 hazard types. Nationally the county sits at #94 for this hazard and #8 within Iowa, putting it in the 96.8 percentile of all U.S. counties.

Seasonality

Events by month

0Jan
1Feb
12Mar
4Apr
13May
28Jun
8Jul
7Aug
4Sep
3Oct
0Nov
3Dec

Jun is the peak month for flood in Dallas County with 28 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Jun 6, 2022PERRY MUNI ARPT0$0
May 28, 2019VAN METER0$100K
May 25, 2019ADEL0$100K
Mar 16, 2019ADEL0$0
Mar 15, 2019DAWSON0$0
Mar 14, 2019BOONEVILLE0$10K
Mar 14, 2019VAN METER0$0
Mar 13, 2019VAN METER0$0
Mar 13, 2019BOONEVILLE0$100K
Oct 10, 2018ADEL0$50K
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Dallas County

County overview →

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Quick answers

Frequently asked

How many flood events are on record in Dallas County, Iowa?

83 flood events are recorded in Dallas County between 1996 and 2022, causing 0 direct deaths.

What is the strongest flood recorded in Dallas County?

The strongest flood on record in Dallas County measured 0.

Where does the flood data for Dallas County come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.

Cite this page

“Flood in Dallas County, Iowa.” Severe Weather History. severeweatherhistory.com/county/iowa/dallas-county/flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov