64
Recorded events
0
Direct deaths
1
Direct injuries
$2.2M
Property damage
Flood in Franklin County, Illinois: 64 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #165 nationally and #12 statewide for this hazard.
Decade by decade
Flood in Franklin County, Illinois: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flood in Franklin County is the 2010s, when 35 of the county's 64 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 Franklin County archive, flood makes up 14.7% of all recorded severe weather across 8 hazard types. Nationally the county sits at #165 for this hazard and #12 within Illinois, putting it in the 94.3 percentile of all U.S. counties.
Seasonality
Events by month
Mar is the peak month for flood in Franklin County with 16 recorded events, while Oct 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 1, 2011 | PLUMFIELD | 0 | 0 | 1 | $500K |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jul 17, 2025 | BENTON MUNI ARPT | 0 | $0 |
| Feb 18, 2025 | ZEIGLER JCT | 0 | $0 |
| Jul 16, 2024 | MULKEYTOWN | 0 | $0 |
| Mar 26, 2023 | PLUMFIELD | 0 | $0 |
| Mar 5, 2023 | ROYALTON | 0 | $0 |
| Mar 3, 2023 | ROYALTON | 0 | $0 |
| Feb 9, 2023 | HANAFORD | 0 | $0 |
| Jan 18, 2023 | BENTON | 0 | $0 |
| Feb 20, 2022 | ZEIGLER | 0 | $0 |
| Mar 19, 2021 | ZEIGLER | 0 | $0 |
Other hazards here
More from Franklin County
- Thunderstorm Wind 167
- Hail 114
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Record flooding occurred on the Big Muddy River. At the Plumfield river gage, the river crested at 34.68 feet on the evening of May 3. This exceeded the old record set in 1961 by less than an inch. Illinois Route 148 was closed south of Zeigler, as was County Highway 11. A section of Illinois Route 149 was closed, along with Illinois Route 37 north of West Frankfort. About two dozen homes were flooded, mostly in the Mitchell Lake area of Denning Township. Between five and six feet of water entered some homes. A 62-year-old man was found clinging to a tree after ignoring barricades and driving into swift water on the morning of May 3. The man was treated for hypothermia at a local hospital. His vehicle was washed off the roadway into deep water.
Moderate flooding occurred on the Big Muddy River. At the Plumfield river gage, the river crested at 28.60 feet on the 2nd. Flood stage is 20 feet. Several houses were evacuated, including two houses between Plumfield and Buckner. A number of roads were closed. State Highway 148 at the Big Muddy River bridge south of Zeigler was reduced to one lane. There was considerable flooding of bottomlands and surrounding low-lying areas. Franklin County government officials declared a state of disaster for the entire county. The American Red Cross opened shelters for flood victims.
There was extensive flooding of a neighborhood in the northeast part of Benton from heavy rain during the overnight and early morning hours. Homes on two streets were flooded. In West Frankfort, residents of an apartment complex were evacuated. A co-operative observer near Plumfield measured 4.10 inches of rain in the previous 24 hours.
Quick answers
Frequently asked
How many flood events are on record in Franklin County, Illinois?
64 flood events are recorded in Franklin County between 1996 and 2025, causing 0 direct deaths.
What is the strongest flood recorded in Franklin County?
The strongest flood on record in Franklin County measured 0.
Where does the flood data for Franklin 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 Franklin County, Illinois.” Severe Weather History. severeweatherhistory.com/county/illinois/franklin-county/flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.