42
Recorded events
0
Direct deaths
0
Direct injuries
$21.2M
Property damage
Flood in Louisa County, Iowa: 42 recorded events between 1998 and 2024. The strongest on record measured 0. That places the county #308 nationally and #27 statewide for this hazard.
Decade by decade
Flood in Louisa County, Iowa: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flood in Louisa County is the 2010s, when 32 of the county's 42 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 Louisa County archive, flood makes up 17.0% of all recorded severe weather across 8 hazard types. Nationally the county sits at #308 for this hazard and #27 within Iowa, putting it in the 89.4 percentile of all U.S. counties.
Seasonality
Events by month
Apr is the peak month for flood in Louisa 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.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jul 2, 2024 | TOOLESBORO | 0 | $0 |
| Apr 26, 2023 | TOOLESBORO | 0 | $0 |
| Oct 13, 2019 | TOOLESBORO | 0 | $0 |
| Jun 1, 2019 | OAKVILLE | 0 | $0 |
| May 21, 2019 | TOOLESBORO | 0 | $0 |
| May 1, 2019 | OAKVILLE | 0 | $0 |
| May 1, 2019 | GRANDVIEW | 0 | $0 |
| Apr 26, 2019 | TOOLESBORO | 0 | $0 |
| Apr 1, 2019 | OAKVILLE | 0 | $0 |
| Mar 16, 2019 | TOOLESBORO | 0 | $0 |
Other hazards here
More from Louisa County
- Thunderstorm Wind 84
- Hail 67
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
The record crest on the Iowa River at Columbus Junction occurred on June 16, 2008 at 32.49 feet. Flood stage is 19 feet. The record crest on the Iowa River at Wapello occurred on June 14, 2008 at 32.15 feet. Flood stage is 20 feet.
Heavy rains during the third week of June resulted in the Iowa River at Wapello going above the moderate flood stage level of 22 feet on June 17 around 7 am. After briefly falling below the moderate flood stage, it crested around 23.9 feet around 7 am June 25. It fell below the moderate flood stage level around 1 pm June 27.
Heavy rains during the middle of the month resulted in the Iowa River at Wapello going above the moderate flood stage level of 22 feet on June 22nd around 3 pm. It crested around 22.4 feet around 1130 pm June 23. It fell below the moderate flood stage level around 130 pm June 23.
Quick answers
Frequently asked
How many flood events are on record in Louisa County, Iowa?
42 flood events are recorded in Louisa County between 1998 and 2024, causing 0 direct deaths.
What is the strongest flood recorded in Louisa County?
The strongest flood on record in Louisa County measured 0.
Where does the flood data for Louisa 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
“Flood in Louisa County, Iowa.” Severe Weather History. severeweatherhistory.com/county/iowa/louisa-county/flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.