Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Dallas County, Texas

296

Recorded events

11

Direct deaths

2

Direct injuries

$877.1M

Property damage

Flash Flood in Dallas County, Texas: 296 recorded events between 1996 and 2026. The strongest on record measured 0. That places the county #11 nationally and #2 statewide for this hazard.

Decade by decade

Flash Flood in Dallas County, Texas: events per decade

Flash Flood in Dallas County, Texas: recorded events per decade
Flash Flood in Dallas County, Texas: recorded events per decade

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

The busiest decade for flash flood in Dallas County is the 2020s, when 103 of the county's 296 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, flash flood makes up 14.7% of all recorded severe weather across 7 hazard types. Nationally the county sits at #11 for this hazard and #2 within Texas, putting it in the 99.7 percentile of all U.S. counties.

Seasonality

Events by month

18Jan
10Feb
27Mar
23Apr
57May
51Jun
17Jul
30Aug
20Sep
19Oct
10Nov
14Dec

May is the peak month for flash flood in Dallas County with 57 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
Jun 4, 2025ALPHA010$45K
Aug 22, 2022MESQUITE010$20K
Jun 6, 2021GARLAND010$0
May 29, 2015NEW HOPE010$90K
May 29, 2015GRIBBLE010$125K
Aug 18, 2012GRIBBLE010$30K
Mar 18, 2008DALLAS010$150K
Jun 26, 2007GARLAND010$0
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Apr 26, 2026PEELER$0
Mar 10, 2026FARMERS BRANCH$0
Mar 10, 2026REINHARDT$0
Mar 7, 2026ALPHA$0
Mar 4, 2026BALCH SPGS$300K
Mar 4, 2026CEDAR HILL$0
Mar 4, 2026DUNCANVILLE$0
Mar 4, 2026CEDAR HILL$0
Mar 4, 2026ROWLETT$0
Mar 4, 2026PLEASANT VLY$0
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 flash flood events are on record in Dallas County, Texas?

296 flash flood events are recorded in Dallas County between 1996 and 2026, causing 11 direct deaths.

What is the strongest flash flood recorded in Dallas County?

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

Where does the flash 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

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


Historical reference only — for official alerts visit weather.gov