42
Recorded events
0
Direct deaths
0
Direct injuries
$4.5M
Property damage
Flash Flood in Saline County, Illinois: 42 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #779 nationally and #20 statewide for this hazard.
Decade by decade
Flash Flood in Saline County, Illinois: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Saline County is the 2000s, when 20 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 Saline County archive, flash flood makes up 13.2% of all recorded severe weather across 7 hazard types. Nationally the county sits at #779 for this hazard and #20 within Illinois, putting it in the 74.5 percentile of all U.S. counties.
Seasonality
Events by month
May is the peak month for flash flood in Saline County with 12 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 18, 2025 | MITCHELLSVILLE | 0 | $0 |
| Jul 29, 2024 | HARRISBURG ARPT | 0 | $250K |
| May 27, 2024 | HARRISBURG | 0 | $75K |
| May 8, 2024 | BEULAH HGTS | 0 | $800K |
| May 8, 2024 | HARRISBURG | 0 | $50K |
| Mar 3, 2023 | ELDORADO | 0 | $0 |
| Jun 30, 2020 | RALEIGH | 0 | $0 |
| Jun 22, 2019 | HARRISBURG | 0 | $0 |
| Jun 23, 2017 | RUDEMENT | 0 | $0 |
| Apr 30, 2017 | FRANCIS | 0 | $20K |
Other hazards here
More from Saline County
- Thunderstorm Wind 143
- Hail 78
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Significant flash flooding occurred in Eldorado. Ferrell Hospital sustained floodwater damage with 55,000 sq ft of the hospital affected, requiring transfer of patients to other facilities. Flooding on roads leading to the hospital hindered emergency crews. Several streets around the city flooded, and water intruded into the Eldorado High School entrance. Torrential rainfall rates produced radar estimated 1.5-2 inches of rain in Eldorado, with most of the rain occurring between 1515-1615CST. Flash flooding transitioned to a flood event through the evening.
Flash flooding occurred in and around Eldorado. Water rescues occurred in the city. Several dozen homes and businesses, along with Ferrell Hospital, sustained some water intrusion. Several roads were closed due to flooding in the north half of Saline County. Radar estimated rainfall from Raleigh to Eldorado was 3 to 5 inches between 1900-2200CST.
Widespread flash flooding occurred in the cities of Harrisburg and Eldorado. Multiple streets were under water and residences were flooded in Harrisburg. Most of the flooding occurred on the southeast side of town. In Eldorado, vehicles were stranded and several homes were evacuated. Vehicle rescues were performed along U.S. Highway 45. Sections of Route 45 were under one to two feet of water. Several businesses received water damage.
Quick answers
Frequently asked
How many flash flood events are on record in Saline County, Illinois?
42 flash flood events are recorded in Saline County between 1996 and 2025, causing 0 direct deaths.
What is the strongest flash flood recorded in Saline County?
The strongest flash flood on record in Saline County measured 0.
Where does the flash flood data for Saline 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
“Flash Flood in Saline County, Illinois.” Severe Weather History. severeweatherhistory.com/county/illinois/saline-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.