Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Wagoner County, Oklahoma

69

Recorded events

0

Direct deaths

1

Direct injuries

$1.5M

Property damage

Flash Flood in Wagoner County, Oklahoma: 69 recorded events between 1996 and 2026. The strongest on record measured 0. That places the county #349 nationally and #14 statewide for this hazard.

Decade by decade

Flash Flood in Wagoner County, Oklahoma: events per decade

Flash Flood in Wagoner County, Oklahoma: recorded events per decade
Flash Flood in Wagoner County, Oklahoma: recorded events per decade

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

The busiest decade for flash flood in Wagoner County is the 2000s, when 26 of the county's 69 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 Wagoner County archive, flash flood makes up 10.0% of all recorded severe weather across 7 hazard types. Nationally the county sits at #349 for this hazard and #14 within Oklahoma, putting it in the 88.6 percentile of all U.S. counties.

Seasonality

Events by month

1Jan
0Feb
4Mar
6Apr
33May
6Jun
3Jul
3Aug
6Sep
2Oct
4Nov
1Dec

May is the peak month for flash flood in Wagoner County with 33 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
Sep 21, 2009BROKEN ARROW001$0
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Apr 10, 2026COWETA$0
May 25, 2025ONETA0$0
May 25, 2025ONETA0$0
May 25, 2025ONETA0$0
Nov 3, 2024BROKEN ARROW0$0
Jul 1, 2021ONETA0$5K
Jul 1, 2021COWETA0$30K
May 27, 2020GIBSON0$0
May 27, 2020LA BARGE0$0
May 15, 2020GIBSON0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Wagoner 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 Wagoner County, Oklahoma?

69 flash flood events are recorded in Wagoner County between 1996 and 2026, causing 0 direct deaths.

What is the strongest flash flood recorded in Wagoner County?

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

Where does the flash flood data for Wagoner 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 Wagoner County, Oklahoma.” Severe Weather History. severeweatherhistory.com/county/oklahoma/wagoner-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov