41
Recorded events
0
Direct deaths
0
Direct injuries
$2.0M
Property damage
Flood in Hancock County, Illinois: 41 recorded events between 1998 and 2019. The strongest on record measured 0. That places the county #317 nationally and #15 statewide for this hazard.
Decade by decade
Flood in Hancock County, Illinois: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flood in Hancock County is the 2010s, when 22 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 Hancock County archive, flood makes up 8.0% of all recorded severe weather across 8 hazard types. Nationally the county sits at #317 for this hazard and #15 within Illinois, putting it in the 88.9 percentile of all U.S. counties.
Seasonality
Events by month
May is the peak month for flood in Hancock County with 10 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 |
|---|---|---|---|
| Jun 1, 2019 | WARSAW | 0 | $0 |
| May 22, 2019 | NAUVOO | 0 | $0 |
| May 19, 2019 | DISCO | 0 | $0 |
| May 1, 2019 | HAMILTON | 0 | $0 |
| Apr 30, 2019 | HAMILTON | 0 | $0 |
| Apr 5, 2019 | NAUVOO | 0 | $0 |
| Mar 19, 2019 | NAUVOO | 0 | $0 |
| Oct 10, 2018 | DALLAS CITY | 0 | $0 |
| Jul 3, 2014 | HAMILTON | 0 | $0 |
| Jun 1, 2013 | HAMILTON | 0 | $0 |
Other hazards here
More from Hancock County
- Thunderstorm Wind 214
- Hail 175
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Heavy rains from May 13th to May 15th resulted in the La Moine River near Colmar going above the moderate flood stage level of 22 feet around 9 pm on May 15 and the major flood stage level of 24 feet around 1:30 am on May 17. It crested around 24.84 feet around 6 pm on May 17. It fell back below the major flood stage level around 10:30 am on May 18 and the moderate flood stage level around 6 am on May 19.
Heavy rains during the second week of May resulted in the La Moine River at Colmar going above the moderate flood stage level of 22 feet on May 13 around 10 pm. It crested around 23.4 feet around 1 am May 15. It fell below the moderate flood stage level around 3 pm May 16.
Heavy rains during the second week of June resulted in the La Moine River at Colmar going above the moderate flood stage level of 22 feet on June 14 around 12 pm. It crested around 22.9 feet around 7 pm June 14. It fell below the moderate flood stage level around 9 am June 17.
Quick answers
Frequently asked
How many flood events are on record in Hancock County, Illinois?
41 flood events are recorded in Hancock County between 1998 and 2019, causing 0 direct deaths.
What is the strongest flood recorded in Hancock County?
The strongest flood on record in Hancock County measured 0.
Where does the flood data for Hancock 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 Hancock County, Illinois.” Severe Weather History. severeweatherhistory.com/county/illinois/hancock-county/flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.