Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Polk County, Missouri

156

Recorded events

1

Direct deaths

1

Direct injuries

$13.1M

Property damage

Flash Flood in Polk County, Missouri: 156 recorded events between 1996 and 2026. The strongest on record measured 0. That places the county #65 nationally and #7 statewide for this hazard.

Decade by decade

Flash Flood in Polk County, Missouri: events per decade

Flash Flood in Polk County, Missouri: recorded events per decade
Flash Flood in Polk County, Missouri: recorded events per decade

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

The busiest decade for flash flood in Polk County is the 2010s, when 63 of the county's 156 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 Polk County archive, flash flood makes up 18.2% of all recorded severe weather across 8 hazard types. Nationally the county sits at #65 for this hazard and #7 within Missouri, putting it in the 97.9 percentile of all U.S. counties.

Seasonality

Events by month

10Jan
2Feb
6Mar
20Apr
25May
36Jun
23Jul
14Aug
10Sep
3Oct
4Nov
3Dec

Jun is the peak month for flash flood in Polk County with 36 recorded events, while Feb 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.

Significant events

Deadliest on record

DateLocationScaleDeathsInjuriesDamage
Dec 27, 2015PLEASANT HOPE010$500K
Jun 2, 2007PLEASANT HOPE001$0
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Apr 15, 2026VAN$0
Apr 15, 2026RIMBY$0
Apr 15, 2026POLK$0
Apr 15, 2026GOODSON$0
Apr 15, 2026GOODSON$0
Jun 16, 2025RONDO0$0
Apr 20, 2025RONDO0$0
Apr 4, 2025PLEASANT HOPE0$0
Apr 4, 2025TIN TOWN0$0
Apr 4, 2025TIN TOWN0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Polk 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 Polk County, Missouri?

156 flash flood events are recorded in Polk County between 1996 and 2026, causing 1 direct deaths.

What is the strongest flash flood recorded in Polk County?

The strongest flash flood on record in Polk County measured 0.

Where does the flash flood data for Polk 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 Polk County, Missouri.” Severe Weather History. severeweatherhistory.com/county/missouri/polk-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov