41
Recorded events
4
Direct deaths
0
Direct injuries
$4.8M
Property damage
Flash Flood in Jefferson County, Missouri: 41 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #797 nationally and #45 statewide for this hazard.
Decade by decade
Flash Flood in Jefferson County, Missouri: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Jefferson County is the 2000s, when 16 of the county's 41 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 Jefferson County archive, flash flood makes up 6.3% of all recorded severe weather across 7 hazard types. Nationally the county sits at #797 for this hazard and #45 within Missouri, putting it in the 73.6 percentile of all U.S. counties.
Seasonality
Events by month
May is the peak month for flash flood in Jefferson County with 9 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 |
|---|---|---|---|---|---|
| Jul 2, 2015 | KIMMSWICK | 0 | 2 | 0 | $4.0M |
| Apr 18, 2013 | DE SOTO ARPT | 0 | 1 | 0 | $0 |
| May 7, 2003 | DE SOTO | 0 | 1 | 0 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Apr 4, 2025 | KIMMSWICK | 0 | $15K |
| Apr 4, 2025 | DANBY | 0 | $0 |
| Nov 5, 2024 | OERMANN | 0 | $50K |
| Aug 4, 2022 | HIGH RIDGE | 0 | $120K |
| Jul 28, 2022 | PARKDALE | 0 | $0 |
| Jul 25, 2021 | HIGH RIDGE | 0 | $30K |
| Apr 29, 2021 | FLETCHER | 0 | $0 |
| May 24, 2020 | VICTORIA | 0 | $0 |
| Aug 30, 2019 | HOENE SPG | 0 | $0 |
| Sep 8, 2018 | KIMMSWICK | 0 | $0 |
Other hazards here
More from Jefferson County
- Hail 312
- Thunderstorm Wind 236
- Tornado 44
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Up to five inches of rain fell in a 24 hour period. This caused flash flooding on Joachim Creek in DeSoto. The creek rose quickly and numerous roads on the east side of town were flooded. The water rose high enough that the fire station on East Miller Street had over a foot of water in it throughout the offices and engine room. About 125 homes were affected by the flash flooding. Also, an 80 year old woman drove into the flood waters on Veterans Drive. Despite attempts by emergency workers to block the car, it plunged into the rushing creek with the woman inside. Several hours later the water receded enough for the emergency workers to find her body in the vehicle a little ways downstream.
Rainfall up to 8 inches fell on western Jefferson County causing widespread flash flooding. A joint Federal -State Damage Assessment Team concluded that 1 structure was destroyed, 9 suffered major damage, 42 minor damage and another 7 were affected. Some areas, especially along the Big River, were spared major damage because of buyouts that were made after flooding in 1993.
Up to five inches of rain fell in a short amount of time causing flash flooding in the far northern portions of the county. Numerous roads were flooded including Highway 141. There were multiple water rescues on Highway 141, but no injuries were reported. Also, several water evacuations were performed at homes near the intersection of Romaine Creek Road and Konert Road. Twenty four home sustained minor flood damage.
Quick answers
Frequently asked
How many flash flood events are on record in Jefferson County, Missouri?
41 flash flood events are recorded in Jefferson County between 1996 and 2025, causing 4 direct deaths.
What is the strongest flash flood recorded in Jefferson County?
The strongest flash flood on record in Jefferson County measured 0.
Where does the flash flood data for Jefferson 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 Jefferson County, Missouri.” Severe Weather History. severeweatherhistory.com/county/missouri/jefferson-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.