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Flood in Maries County, Missouri

82 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

82 events · 0 deaths recorded · peak month May · county share of state 0.8%

2025-04-04: Flood2024-12-14: Flood2024-05-08: Flood2021-03-12: Flood2020-06-04: Flood2018-12-31: Flood2018-09-07: Flood2018-09-07: Flood2018-03-29: Flood2017-04-30: Flood2016-08-12: Flood2016-08-12: Flood2016-08-05: Flood2016-08-05: Flood2016-08-05: Flood2016-08-03: Flood2016-07-02: Flood2015-12-28: Flood2015-07-01: Flood2015-07-01: Flood2013-08-07: Flood2013-08-07: Flood2013-08-07: Flood2013-08-02: Flood2013-06-16: Flood2013-06-01: Flood2013-05-31: Flood2012-04-14: Flood2012-03-17: Flood2012-03-15: Flood2011-07-12: Flood2011-05-12: Flood2011-05-12: Flood2011-04-25: Flood2011-04-25: Flood2011-03-14: Flood2010-05-20: Flood2010-01-24: Flood2009-10-29: Flood2009-06-10: Flood2009-05-27: Flood2009-05-08: Flood2008-09-14: Flood2008-09-03: Flood2008-08-05: Flood2008-04-10: Flood2008-04-03: Flood2008-03-19: Flood2008-03-18: Flood2008-02-17: Flood2008-01-07: Flood2007-09-25: Flood2007-05-10: Flood2005-06-10: Flood2005-04-20: Flood2005-01-05: Flood
Flood event locations in and around Maries County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

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 82 flood events in Maries County, Missouri, between 1950 and 2026, spread over 23 years.

May is the busiest month, with 14 of the recorded events. The last 20 years account for 53 events against 29 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.8% of the 10,821 flood events recorded in Missouri; its 15.6 per 100 square miles compares with 15.7 statewide.

Compared with Missouri

MeasureMaries CountyMissouriUS
Flood events since 19508210,821183,559
Per 100 square miles15.615.75.2
Per 10,000 residents97.517.55.5
Deaths recorded01592,961
Busiest monthMayMayJune

By year

195019882026
Flood events recorded in Maries County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
5
Feb
2
Mar
9
Apr
10
May
14
Jun
11
Jul
9
Aug
13
Sep
5
Oct
1
Nov
0
Dec
3
Flood events in Maries County by month of occurrence, all years.

Recorded events

All 82 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
4 Apr 2025Flash Flood—————County
14 Dec 2024Flash Flood—$10K———County
8 May 2024Flash Flood—————County
12 Mar 2021Flood—————County
4 Jun 2020Flash Flood—————County
31 Dec 2018Flood—————County
7 Sep 2018Flash Flood—————County
7 Sep 2018Flash Flood—————County
29 Mar 2018Flood—————County
30 Apr 2017Flood—$500K———County
12 Aug 2016Flash Flood—————County
12 Aug 2016Flash Flood—————County
5 Aug 2016Flash Flood—————County
5 Aug 2016Flash Flood—————County
5 Aug 2016Flash Flood—————County
3 Aug 2016Flash Flood—————County
2 Jul 2016Flood—————County
28 Dec 2015Flash Flood—$250K———County
1 Jul 2015Flash Flood—————County
1 Jul 2015Flash Flood—————County
7 Aug 2013Flash Flood—————County
7 Aug 2013Flash Flood—————County
7 Aug 2013Flash Flood—$500K———County
2 Aug 2013Flash Flood—————County
16 Jun 2013Flash Flood—————County
1 Jun 2013Flood—————County
31 May 2013Flash Flood—————County
14 Apr 2012Flash Flood—————County
17 Mar 2012Flash Flood—$5K———County
15 Mar 2012Flash Flood—————County
12 Jul 2011Flash Flood—————County
12 May 2011Flash Flood—————County
12 May 2011Flash Flood—————County
25 Apr 2011Flood—$100K———County
25 Apr 2011Flood—$100K———County
14 Mar 2011Flood—————County
20 May 2010Flood—$15K———County
24 Jan 2010Flood—————County
29 Oct 2009Flood—————County
10 Jun 2009Flash Flood—————County
27 May 2009Flash Flood—————County
8 May 2009Flash Flood—$25K———County
14 Sep 2008Flash Flood—————County
3 Sep 2008Flood—————County
5 Aug 2008Flash Flood—————County
10 Apr 2008Flash Flood—————County
3 Apr 2008Flash Flood—————County
19 Mar 2008Flood—————County
18 Mar 2008Flash Flood—$1K———County
17 Feb 2008Flash Flood—————County
7 Jan 2008Flash Flood—————County
25 Sep 2007Flash Flood—————County
10 May 2007Flash Flood—————County
27 Aug 2006Flash Flood—————County
10 Jun 2005Flash Flood—————County
20 Apr 2005Flash Flood—————County
5 Jan 2005Flood—————Forecast zone
5 Jan 2005Flash Flood—————County
30 Jul 2004Flash Flood—————County
18 Jul 2003Flash Flood—————County
18 Jul 2002Flash Flood—————County
10 Jul 2002Flash Flood—$20K———County
17 May 2002Flood—————Forecast zone
12 May 2002Flash Flood—————County
12 May 2002Flood—————Forecast zone
9 May 2002Flash Flood—————County
8 May 2002Flood—$10K———Forecast zone
19 Apr 2002Flash Flood—————County
19 Apr 2002Flood—————Forecast zone
1 Feb 2002Flood—————Forecast zone
31 Jan 2002Flood—————Forecast zone
26 Jul 1998Flood—$419K———Forecast zone
8 Jun 1998Flash Flood—————County
4 Jun 1998Flash Flood—————County
19 Mar 1998Flash Flood—————County
17 Mar 1998Flash Flood—————County
19 Aug 1997Flash Flood—————County
25 Jun 1997Flash Flood—————County
22 Jun 1997Flash Flood—————County
17 Jun 1997Flash Flood—————County
6 Jun 1996Flash Flood—$5K———County
7 May 1996Flash Flood—$15K$5K——County

Questions and answers

How many flood events has Maries County had?

82 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 Maries County?

4 Apr 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Maries County?

The flash flood of 7 Aug 2013, with property damage estimated by NCEI at $500K.

How does Maries County compare with Missouri for flood?

15.6 events per 100 square miles against 15.7 statewide; the county holds 82 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.