Severe Weather History


Hazard archive · 1950 — present

Flood in Gallatin County, Illinois

95

Recorded events

0

Direct deaths

0

Direct injuries

$2.2M

Property damage

Flood in Gallatin County, Illinois: 95 recorded events between 1999 and 2025. The strongest on record measured 0. That places the county #59 nationally and #4 statewide for this hazard.

Decade by decade

Flood in Gallatin County, Illinois: events per decade

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

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for flood in Gallatin County is the 2010s, when 57 of the county's 95 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 Gallatin County archive, flood makes up 39.7% of all recorded severe weather across 8 hazard types. Nationally the county sits at #59 for this hazard and #4 within Illinois, putting it in the 97.9 percentile of all U.S. counties.

Seasonality

Events by month

13Jan
19Feb
21Mar
13Apr
11May
3Jun
3Jul
1Aug
1Sep
0Oct
1Nov
9Dec

Mar is the peak month for flood in Gallatin County with 21 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.

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Mar 1, 2025SHAWNEETOWN0$0
Feb 10, 2025INMAN0$5K
Apr 7, 2024SHAWNEETOWN0$0
Feb 1, 2024SHAWNEETOWN0$0
Jan 30, 2024SHAWNEETOWN0$0
Apr 1, 2023SHAWNEETOWN0$0
Mar 27, 2023SHAWNEETOWN0$0
Mar 1, 2023SHAWNEETOWN0$0
Feb 21, 2023SHAWNEETOWN0$0
May 13, 2022SHAWNEETOWN0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Gallatin 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 Gallatin County, Illinois?

95 flood events are recorded in Gallatin County between 1999 and 2025, causing 0 direct deaths.

What is the strongest flood recorded in Gallatin County?

The strongest flood on record in Gallatin County measured 0.

Where does the flood data for Gallatin 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 Gallatin County, Illinois.” Severe Weather History. severeweatherhistory.com/county/illinois/gallatin-county/flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


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