Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Webster County, Iowa

56

Recorded events

0

Direct deaths

0

Direct injuries

$4.5M

Property damage

Flash Flood in Webster County, Iowa: 56 recorded events between 1998 and 2025. The strongest on record measured 50. That places the county #519 nationally and #7 statewide for this hazard.

Decade by decade

Flash Flood in Webster County, Iowa: events per decade

Flash Flood in Webster County, Iowa: recorded events per decade
Flash Flood in Webster County, Iowa: recorded events per decade

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

The busiest decade for flash flood in Webster County is the 2010s, when 27 of the county's 56 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 Webster County archive, flash flood makes up 7.4% of all recorded severe weather across 8 hazard types. Nationally the county sits at #519 for this hazard and #7 within Iowa, putting it in the 83.0 percentile of all U.S. counties.

Seasonality

Events by month

0Jan
2Feb
5Mar
0Apr
3May
17Jun
7Jul
21Aug
1Sep
0Oct
0Nov
0Dec

Aug is the peak month for flash flood in Webster County with 21 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
Sep 17, 2025FT DODGE0$0
May 30, 2023FT DODGE0$0
May 30, 2023FT DODGE0$0
Jul 3, 2019FT DODGE0$20K
Jun 20, 2018KALO0$25K
Jun 20, 2018KALO0$25K
Jun 14, 2018CLARE0$0
Aug 20, 2016VINCENT0$0
Jul 19, 2016CLAY WORKS0$0
Jul 19, 2016FT DODGE0$25K
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Webster 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 flash flood events are on record in Webster County, Iowa?

56 flash flood events are recorded in Webster County between 1998 and 2025, causing 0 direct deaths.

What is the strongest flash flood recorded in Webster County?

The strongest flash flood on record in Webster County measured 50.

Where does the flash flood data for Webster 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

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


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