43
Recorded events
0
Direct deaths
3
Direct injuries
$18.1M
Property damage
Flash Flood in Riley County, Kansas: 43 recorded events between 1997 and 2025. The strongest on record measured 0. That places the county #752 nationally and #18 statewide for this hazard.
Decade by decade
Flash Flood in Riley County, Kansas: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Riley County is the 2000s, when 19 of the county's 43 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 Riley County archive, flash flood makes up 6.4% of all recorded severe weather across 7 hazard types. Nationally the county sits at #752 for this hazard and #18 within Kansas, putting it in the 75.1 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for flash flood in Riley County with 15 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.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Sep 3, 2018 | KEATS | 0 | 0 | 3 | $17.2M |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Apr 28, 2025 | EUREKA LAKE | 0 | $40K |
| Apr 28, 2025 | MANHATTAN | 0 | $50K |
| May 18, 2022 | KEATS | 0 | $0 |
| Jul 27, 2020 | CLEBURNE | 0 | $0 |
| Jul 4, 2019 | ROCKY FORD | 0 | $0 |
| Sep 3, 2018 | MANHATTAN | 0 | $0 |
| Sep 3, 2018 | ROCKY FORD | 0 | $0 |
| Sep 3, 2018 | KEATS | 0 | $17.2M |
| Sep 3, 2018 | TUTTLE CREEK RES | 0 | $0 |
| Apr 26, 2016 | (MHK)MANHATTAN MUNI | 0 | $0 |
Other hazards here
More from Riley County
- Hail 316
- Thunderstorm Wind 259
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Seven Mile creek and Dry Branch creek flooding portions of the town of Ogden. Wildcat creek beginning to block portions of Scenic drive. Residents of approximately 50 homes are being evacuated…or being helped to move belongings to higher ground. Some sandbagging occurring. Schools were closed and Ogden was isolated for a period of time. Also, a portion of some railroad tracks were washed out around Ogden.
Several reports of flash flooding on roadways in Riley County. Closures due to high running water were noted on Eureka Drive and Roever Road north of the Manhattan Regional Airport, as well as along Skyway Drive and Airport Road to the southeast of the Manhattan Airport runways. Near Ogden, Honeydew Lane on the northeast side of town was inundated by flash flood waters.
The intersection of Anderson and Scenic Roads were closed with at least 6 inches of flowing water. Portions of Gardenway Road were closed, and apartments were being evactuated near Wildcat Creek. The flash flooding continued over the course of several hours and caused evacuations near the Garden Way Apartments, the Highland Ridge area and the Red Bed area near Scenic Drive. Flash flooding was also a major problem near Ogden as areas near 7 Mile Creek near Ogden were evacuated. By 8:00 am CST water over K-114 and K-18 in Ogden shut down access to the city. Portions of Ogden were being evacuated near K-18 and Walnut Road.
Quick answers
Frequently asked
How many flash flood events are on record in Riley County, Kansas?
43 flash flood events are recorded in Riley County between 1997 and 2025, causing 0 direct deaths.
What is the strongest flash flood recorded in Riley County?
The strongest flash flood on record in Riley County measured 0.
Where does the flash flood data for Riley 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 Riley County, Kansas.” Severe Weather History. severeweatherhistory.com/county/kansas/riley-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.