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Flood in Monroe County, Missouri

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

29 events · 0 deaths recorded · peak month June · county share of state 0.3%

2020-06-03: Flood2018-09-06: Flood2017-06-15: Flood2016-08-02: Flood2014-07-25: Flood2011-05-25: Flood2010-07-20: Flood2009-10-29: Flood2009-10-22: Flood2009-04-29: Flood2009-03-24: Flood2008-09-13: Flood2008-09-13: Flood2008-07-25: Flood2008-06-13: Flood2007-06-27: Flood2007-04-03: Flood
Flood event locations in and around Monroe 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.

Monroe County, Missouri, has 29 flood events in the NCEI record since 1950, with at least one in 16 different years.

June is the busiest month, with 9 of the recorded events. The last 20 years account for 17 events against 12 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.3% of the 10,821 flood events recorded in Missouri; its 4.5 per 100 square miles compares with 15.7 statewide.

Compared with Missouri

MeasureMonroe CountyMissouriUS
Flood events since 19502910,821183,559
Per 100 square miles4.515.75.2
Per 10,000 residents33.317.55.5
Deaths recorded01592,961
Busiest monthJuneMayJune

By year

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

Seasonality

Jan
0
Feb
0
Mar
1
Apr
2
May
5
Jun
9
Jul
4
Aug
2
Sep
3
Oct
3
Nov
0
Dec
0
Flood events in Monroe County by month of occurrence, all years.

Recorded events

All 29 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
3 Jun 2020Flash Flood—————County
6 Sep 2018Flash Flood—————County
15 Jun 2017Flash Flood—————County
2 Aug 2016Flash Flood—————County
25 Jul 2014Flash Flood—————County
25 May 2011Flash Flood—————County
20 Jul 2010Flash Flood—————County
29 Oct 2009Flash Flood—————County
22 Oct 2009Flash Flood—————County
29 Apr 2009Flash Flood—————County
24 Mar 2009Flash Flood—————County
13 Sep 2008Flash Flood—————County
13 Sep 2008Flood—————County
25 Jul 2008Flash Flood—————County
13 Jun 2008Flash Flood—$1K———County
27 Jun 2007Flash Flood—————County
3 Apr 2007Flash Flood—————County
27 Aug 2004Flash Flood—————County
27 May 2004Flash Flood—————County
12 Jun 2003Flash Flood—————County
12 May 2002Flood—————Forecast zone
8 May 2002Flash Flood—————County
6 May 2002Flash Flood—————County
30 Jun 1999Flood—————County
12 Jun 1999Flash Flood—————County
5 Oct 1998Flash Flood—————County
4 Jul 1998Flash Flood—————County
29 Jun 1998Flash Flood—————County
22 Jun 1997Flash Flood—————County

Questions and answers

How many flood events has Monroe County had?

29 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 Monroe County?

3 Jun 2020 (Flash Flood). Records reach NCEI about 120 days after the month ends.

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

The flash flood of 13 Jun 2008, with property damage estimated by NCEI at $1K.

How does Monroe County compare with Missouri for flood?

4.5 events per 100 square miles against 15.7 statewide; the county holds 29 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.