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Flood in Lyon County, Kentucky
36 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
Lyon County, Kentucky, has 36 flood events in the NCEI record since 1950, with at least one in 17 different years.
May is the busiest month, with 8 of the recorded events. The last 20 years account for 24 events against 12 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.4% of the 8,294 flood events recorded in Kentucky; its 16.8 per 100 square miles compares with 21.0 statewide.
Compared with Kentucky
| Measure | Lyon County | Kentucky | US |
|---|---|---|---|
| Flood events since 1950 | 36 | 8,294 | 183,559 |
| Per 100 square miles | 16.8 | 21.0 | 5.2 |
| Per 10,000 residents | 40.9 | 18.4 | 5.5 |
| Deaths recorded | 0 | 169 | 2,961 |
| Busiest month | May | May | June |
By year
Seasonality
3Feb
6Mar
6Apr
3May
8Jun
2Jul
1Aug
0Sep
1Oct
2Nov
2Dec
2
Recorded events
All 36 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 16 Feb 2025 | Flood | — | — | — | — | — | County |
| 15 Feb 2025 | Flash Flood | — | — | — | — | — | County |
| 15 Feb 2025 | Flood | — | — | — | — | — | County |
| 30 Jan 2025 | Flood | — | — | — | — | — | County |
| 28 Dec 2024 | Flood | — | — | — | — | — | County |
| 3 Mar 2023 | Flash Flood | — | — | — | — | — | County |
| 1 Mar 2019 | Flood | — | — | — | — | — | County |
| 20 Feb 2019 | Flood | — | — | — | — | — | County |
| 13 Feb 2019 | Flood | — | $10K | — | — | — | County |
| 1 Nov 2018 | Flood | — | — | — | — | — | County |
| 3 Mar 2018 | Flood | — | $10K | — | — | — | County |
| 23 Feb 2018 | Flood | — | $75K | — | — | — | County |
| 4 Dec 2011 | Flood | — | — | — | — | — | County |
| 1 May 2011 | Flood | — | $30K | — | — | — | County |
| 24 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 24 Apr 2011 | Flood | — | — | — | — | — | County |
| 6 May 2010 | Flood | — | $5K | — | — | — | County |
| 6 May 2010 | Flood | — | $15K | — | — | — | County |
| 4 May 2010 | Flood | — | — | — | — | — | County |
| 3 May 2010 | Flash Flood | — | $30K | — | — | — | County |
| 2 May 2010 | Flood | — | — | — | — | — | County |
| 9 Oct 2009 | Flood | — | — | — | — | — | County |
| 4 Apr 2008 | Flood | — | — | — | — | — | County |
| 18 Mar 2008 | Flood | — | — | — | — | — | County |
| 27 Oct 2006 | Flood | — | — | — | — | — | County |
| 23 Sep 2006 | Flood | — | — | — | — | — | County |
| 4 May 2003 | Flash Flood | — | — | — | — | — | County |
| 29 Nov 2001 | Flood | — | — | — | — | — | Forecast zone |
| 3 Jan 2000 | Flash Flood | — | $3K | — | — | — | County |
| 22 Jan 1999 | Flash Flood | — | — | — | — | — | County |
| 15 Jul 1998 | Flash Flood | — | — | — | — | — | County |
| 9 Jun 1998 | Flash Flood | — | — | — | — | — | County |
| 28 Jun 1997 | Flash Flood | — | $100K | — | — | — | County |
| 1 Mar 1997 | Flash Flood | — | — | — | — | — | County |
| 1 Mar 1997 | Flash Flood | — | — | — | — | — | County |
| 14 May 1996 | Flood | — | — | — | — | — | Forecast zone |
Questions and answers
How many flood events has Lyon County had?
36 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.
When was the last recorded flood event in Lyon County?
16 Feb 2025 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Lyon County?
The flash flood of 28 Jun 1997, with property damage estimated by NCEI at $100K.
How does Lyon County compare with Kentucky for flood?
16.8 events per 100 square miles against 21.0 statewide; the county holds 36 of the state's 8,294 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.