Severe Weather History


Hazard archive · 1950 — present

Flood in Franklin County, Illinois

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

Flood in Franklin County, Illinois: recorded events per decade
Flood in Franklin County, Illinois: recorded 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

5Jan
7Feb
16Mar
10Apr
8May
4Jun
5Jul
3Aug
1Sep
0Oct
1Nov
4Dec

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

DateLocationScaleDeathsInjuriesDamage
May 1, 2011PLUMFIELD001$500K
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Jul 17, 2025BENTON MUNI ARPT0$0
Feb 18, 2025ZEIGLER JCT0$0
Jul 16, 2024MULKEYTOWN0$0
Mar 26, 2023PLUMFIELD0$0
Mar 5, 2023ROYALTON0$0
Mar 3, 2023ROYALTON0$0
Feb 9, 2023HANAFORD0$0
Jan 18, 2023BENTON0$0
Feb 20, 2022ZEIGLER0$0
Mar 19, 2021ZEIGLER0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Franklin County

County overview →

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

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.


Historical reference only — for official alerts visit weather.gov