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Flood in Carroll County, Missouri
76 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.
NCEI records 76 flood events in Carroll County, Missouri, between 1950 and 2026, spread over 17 years.
May is the busiest month, with 18 of the recorded events. The last 20 years account for 28 events against 48 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.7% of the 10,821 flood events recorded in Missouri; its 10.9 per 100 square miles compares with 15.7 statewide.
Compared with Missouri
| Measure | Carroll County | Missouri | US |
|---|---|---|---|
| Flood events since 1950 | 76 | 10,821 | 183,559 |
| Per 100 square miles | 10.9 | 15.7 | 5.2 |
| Per 10,000 residents | 90.7 | 17.5 | 5.5 |
| Deaths recorded | 0 | 159 | 2,961 |
| Busiest month | May | May | June |
By year
Seasonality
1Feb
6Mar
7Apr
7May
18Jun
15Jul
5Aug
7Sep
5Oct
2Nov
1Dec
2
Recorded events
All 76 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 |
|---|---|---|---|---|---|---|---|
| 25 Jun 2021 | Flash Flood | — | — | — | — | — | County |
| 1 Jun 2019 | Flood | — | — | — | — | — | County |
| 21 May 2019 | Flood | — | — | — | — | — | County |
| 1 May 2019 | Flood | — | — | — | — | — | County |
| 1 Apr 2019 | Flood | — | — | — | — | — | County |
| 31 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 31 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 14 Sep 2016 | Flood | — | — | — | — | — | County |
| 14 Sep 2016 | Flood | — | — | — | — | — | County |
| 13 Sep 2016 | Flood | — | — | — | — | — | County |
| 1 Aug 2016 | Flash Flood | — | — | — | — | — | County |
| 1 Aug 2016 | Flash Flood | — | — | — | — | — | County |
| 13 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2010 | Flash Flood | — | — | — | — | — | County |
| 17 Aug 2009 | Flash Flood | — | — | — | — | — | County |
| 15 May 2009 | Flash Flood | — | — | — | — | — | County |
| 27 Dec 2008 | Flood | — | — | — | — | — | County |
| 30 Jul 2008 | Flash Flood | — | — | — | — | — | County |
| 30 Jul 2008 | Flash Flood | — | — | — | — | — | County |
| 2 Jul 2008 | Flash Flood | — | — | — | — | — | County |
| 25 Jun 2008 | Flash Flood | — | — | — | — | — | County |
| 24 Jun 2008 | Flash Flood | — | — | — | — | — | County |
| 24 Jun 2008 | Flash Flood | — | — | — | — | — | County |
| 24 Jun 2008 | Flash Flood | — | — | — | — | — | County |
| 17 Mar 2008 | Flood | — | — | — | — | — | County |
| 17 Feb 2008 | Flood | — | — | — | — | — | County |
| 11 May 2007 | Flood | — | — | — | — | — | County |
| 7 May 2007 | Flood | — | — | — | — | — | County |
| 26 Aug 2005 | Flood | — | — | — | — | — | Forecast zone |
| 5 Jun 2005 | Flood | — | — | — | — | — | Forecast zone |
| 13 Feb 2005 | Flood | — | — | — | — | — | Forecast zone |
| 27 Aug 2004 | Flash Flood | — | — | — | — | — | County |
| 16 Jun 2004 | Flood | — | — | — | — | — | Forecast zone |
| 6 Mar 2004 | Flood | — | — | — | — | — | Forecast zone |
| 5 Mar 2004 | Flood | — | — | — | — | — | Forecast zone |
| 4 Mar 2004 | Flood | — | — | — | — | — | Forecast zone |
| 1 Sep 2003 | Flood | — | — | — | — | — | Forecast zone |
| 10 May 2003 | Flash Flood | — | — | — | — | — | County |
| 12 Jun 2002 | Flood | — | — | — | — | — | Forecast zone |
| 25 May 2002 | Flood | — | — | — | — | — | Forecast zone |
| 12 May 2002 | Flash Flood | — | — | — | — | — | County |
| 12 May 2002 | Flash Flood | — | — | — | — | — | County |
| 11 May 2002 | Flood | — | — | — | — | — | Forecast zone |
| 8 May 2002 | Flood | — | — | — | — | — | Forecast zone |
| 6 May 2002 | Flood | — | — | — | — | — | Forecast zone |
| 21 Apr 2002 | Flood | — | — | — | — | — | Forecast zone |
| 25 Jul 2001 | Flood | — | — | — | — | — | Forecast zone |
| 21 Jun 2001 | Flood | — | — | — | — | — | Forecast zone |
| 4 Jun 2001 | Flood | — | — | — | — | — | Forecast zone |
| 31 May 2001 | Flood | — | — | — | — | — | Forecast zone |
| 17 May 2001 | Flood | — | — | — | — | — | Forecast zone |
| 11 May 2001 | Flood | — | — | — | — | — | Forecast zone |
| 24 Feb 2001 | Flood | — | — | — | — | — | Forecast zone |
| 9 Feb 2001 | Flood | — | — | — | — | — | Forecast zone |
| 17 May 1999 | Flood | — | — | — | — | — | Forecast zone |
| 4 May 1999 | Flood | — | — | — | — | — | Forecast zone |
| 23 Apr 1999 | Flood | — | — | $1.0M | — | — | Forecast zone |
| 15 Apr 1999 | Flood | — | — | — | — | — | Forecast zone |
| 9 Mar 1999 | Flood | — | — | — | — | — | Forecast zone |
| 1 Feb 1999 | Flood | — | — | — | — | — | Forecast zone |
| 31 Jan 1999 | Flood | — | — | — | — | — | Forecast zone |
| 7 Dec 1998 | Flood | — | — | — | — | — | Forecast zone |
| 1 Nov 1998 | Flood | — | — | — | — | — | Forecast zone |
| 4 Oct 1998 | Flash Flood | — | — | — | — | — | County |
| 4 Oct 1998 | Flood | — | — | — | — | — | Forecast zone |
| 13 Sep 1998 | Flood | — | — | — | — | — | Forecast zone |
| 20 Jun 1998 | Flood | — | — | — | — | — | Forecast zone |
| 28 Apr 1998 | Flood | — | — | — | — | — | Forecast zone |
| 1 Apr 1998 | Flood | — | — | — | — | — | Forecast zone |
| 31 Mar 1998 | Flood | — | — | — | — | — | Forecast zone |
| 8 Mar 1998 | Flood | — | — | — | — | — | Forecast zone |
| 11 Apr 1997 | Flood | — | — | — | — | — | Forecast zone |
| 21 Feb 1997 | Flood | — | — | — | — | — | Forecast zone |
| 17 Jun 1996 | Flood | — | — | — | — | — | Forecast zone |
| 16 Jun 1996 | Flood | — | — | — | — | — | Forecast zone |
| 27 May 1996 | Flood | — | — | — | — | — | Forecast zone |
Questions and answers
How many flood events has Carroll County had?
76 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 Carroll County?
25 Jun 2021 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Carroll County?
The flood of 23 Apr 1999, with property damage estimated by NCEI at $0 and crop damage at $1.0M.
How does Carroll County compare with Missouri for flood?
10.9 events per 100 square miles against 15.7 statewide; the county holds 76 of the state's 10,821 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.