105
Recorded events
4
Direct deaths
0
Direct injuries
$3.5M
Property damage
Flash Flood in Johnson County, Texas: 105 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #152 nationally and #24 statewide for this hazard.
Decade by decade
Flash Flood in Johnson County, Texas: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Johnson County is the 2000s, when 36 of the county's 105 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 Johnson County archive, flash flood makes up 11.6% of all recorded severe weather across 7 hazard types. Nationally the county sits at #152 for this hazard and #24 within Texas, putting it in the 95.0 percentile of all U.S. counties.
Seasonality
Events by month
May is the peak month for flash flood in Johnson County with 20 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 |
|---|---|---|---|---|---|
| May 5, 2024 | RETTA | 0 | 1 | 0 | $20K |
| Nov 27, 2015 | MANSFIELD | 0 | 1 | 0 | $5K |
| Nov 27, 2015 | JOSHUA ARPT | 0 | 1 | 0 | $10K |
| Sep 8, 2010 | MANSFIELD | 0 | 1 | 0 | $400K |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jul 6, 2025 | GODLEY | 0 | $0 |
| Jul 6, 2025 | GODLEY | 0 | $0 |
| May 6, 2025 | JOSHUA | 0 | $0 |
| Jan 30, 2025 | GRANDVIEW | 0 | $5K |
| May 30, 2024 | CLEBURNE MUNI ARPT | 0 | $0 |
| May 5, 2024 | MANSFIELD | 0 | $500K |
| May 5, 2024 | RETTA | 0 | $20K |
| May 5, 2024 | KEENE | 0 | $0 |
| Aug 22, 2022 | ALVARADO | 0 | $0 |
| May 25, 2021 | MANSFIELD | 0 | $50K |
Other hazards here
More from Johnson County
- Hail 374
- Thunderstorm Wind 291
- Tornado 110
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Numerous roads across the county were closed due to high water but the Alvarado area was hit the hardest. One driver was swept away on CR 607 at Mountain Creek near Alvarado and drowned. A two story home near Alvarado had water above the first floor of the home. Elsewhere one man was trapped in a van by high water on Farm-to-Market Road 917 near County Road 613 and was rescued by first responders. Five individuals were swept into rising waters along English Trail in the northeast part of the county and were later rescued.
A vehicle occupied by two adults and one 5 year old boy was stranded in swift water off of CR 528. A witness saw the occupants get out of the vehicle and attempt to get to dry ground on foot when all are swept into the flood waters. Responders arrived and began searching for the victims. The adults were found and rescued around 5am and transported to the hospital. The 5 year old victim was found deceased in the water around 7:20am.
News media reported that a vehicle with one female driver washed about a quarter of a mile downstream from where it encountered flood waters, which was on FM 913 near the Rock Creek Bridge. Law enforcement found her body downstream of the car after waters receded.
Quick answers
Frequently asked
How many flash flood events are on record in Johnson County, Texas?
105 flash flood events are recorded in Johnson County between 1996 and 2025, causing 4 direct deaths.
What is the strongest flash flood recorded in Johnson County?
The strongest flash flood on record in Johnson County measured 0.
Where does the flash flood data for Johnson 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 Johnson County, Texas.” Severe Weather History. severeweatherhistory.com/county/texas/johnson-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.