126
Recorded events
4
Direct deaths
0
Direct injuries
$13.8M
Property damage
Flash Flood in Denton County, Texas: 126 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #108 nationally and #17 statewide for this hazard.
Decade by decade
Flash Flood in Denton County, Texas: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Denton County is the 2000s, when 43 of the county's 126 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 Denton County archive, flash flood makes up 7.9% of all recorded severe weather across 8 hazard types. Nationally the county sits at #108 for this hazard and #17 within Texas, putting it in the 96.5 percentile of all U.S. counties.
Seasonality
Events by month
May is the peak month for flash flood in Denton County with 31 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.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Nov 24, 1996 | DENTON | 0 | 3 | 0 | $0 |
| Feb 20, 1997 | JUSTIN | 0 | 1 | 0 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Sep 22, 2025 | SANGER | 0 | $2K |
| Sep 22, 2025 | PONDER PALMER ARPT | 0 | $5K |
| Sep 22, 2025 | MAYHILL | 0 | $5K |
| Jun 4, 2025 | LEWISVILLE | 0 | $0 |
| Jun 4, 2025 | HEBRON | 0 | $0 |
| Jun 4, 2025 | DENTON | 0 | $60K |
| May 19, 2025 | DENTON MUNI ARPT | 0 | $0 |
| Apr 30, 2025 | KRUM | 0 | $500K |
| Apr 30, 2025 | DENTON | 0 | $0 |
| Dec 26, 2024 | CARNEY | 0 | $8K |
Other hazards here
More from Denton County
- Hail 813
- Thunderstorm Wind 516
- Tornado 58
- Lightning 51
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Denton County Sheriff's Office reported that numerous roads across the county, including Rector Rd, Hwy 455, and Jackson Rd, were closed due to high water. Additionally, flooding impacted a total of 117 homes, 22 of which suffered moderate damage. Two homes had major damage, and another 23 businesses suffered major damage. The Denton County Emergency Services estimate the flooding damage to be approximately $6.5 million.
Numerous roads throughout the county were closed due to flood waters. Interstate 35 was closed in both directions in the cities of Corinth and Lewisville. Three people were rescued from stranded vehicles in Lake Dallas and evacuations of homes were conducted in the city of Aubrey. Flood waters reached homes along Timbercreek Drive in Lewisville after the homes were evacuated. A total of 30 homes suffered some degree of flood damage in the county.
Major flash flooding was reported across the county, and more than 60 people were rescued from floodwaters. One observer reported over 10 inches of rain for the day. A roof of an elementary school collapsed due to the weight of the water. About a half foot of water was reported over streets in Shady Shores, Little Elm, the University of North Texas campus, and along I-35 east service roads. A nursing home and a mobile home park were both evacuated due to threatening flood waters. Several roads remained closed for more than 24 hours, including Corbin Road, Mayhill Road, and East Hickory Street. Several roads and guardrails were damaged by the water. Denton County was declared a disaster area and was therefore able to recieve federal aid. At least a hundred people reported flood damage to their local jurisdictions. Some had water 3 feet high in their homes and businesses.
Quick answers
Frequently asked
How many flash flood events are on record in Denton County, Texas?
126 flash flood events are recorded in Denton County between 1996 and 2025, causing 4 direct deaths.
What is the strongest flash flood recorded in Denton County?
The strongest flash flood on record in Denton County measured 0.
Where does the flash flood data for Denton 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 Denton County, Texas.” Severe Weather History. severeweatherhistory.com/county/texas/denton-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.