Enter any address in Mercer County, Missouri to see its FEMA flood zone
5 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Mercer County, Missouri has recorded 13 flood-related events since 1996 according to NOAA's Storm Events Database, including 12 flash floods and 1 river or area floods. The county has received 19 federal disaster declarations, 2 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1973–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Tornadoes, And Flooding | Severe Storm | Apr 29, 2019 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | Sep 9, 2014 |
| Severe Winter Storm | Severe Storm | Jan 31, 2011 |
| Severe Storms, Flooding, And Tornadoes | Severe Storm | Jun 12, 2010 |
| Severe Winter Storm | Severe Ice Storm | Jan 26, 2009 |
| Severe Storms And Flooding | Severe Storm | Jun 1, 2008 |
| Severe Winter Storms | Severe Ice Storm | Dec 8, 2007 |
| Severe Storms And Flooding | Severe Storm | May 5, 2007 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Aug 4, 2023 | 0.00K |
| Flash Flood | Jun 24, 2021 | 0.00K |
| Flash Flood | May 28, 2019 | 0.00K |
| Flash Flood | Aug 9, 2015 | 0.00K |
| Flood | Jun 3, 2014 | 0.00K |
| Flash Flood | Sep 21, 2010 | 0.00K |
| Flash Flood | May 15, 2009 | 0.00K |
| Flash Flood | Jul 24, 2008 | 0.00K |
| Flash Flood | Jul 13, 2006 | — |
| Flash Flood | May 22, 2005 | — |
Flash Flood — Aug 4, 2023
On the afternoon and evening of August 4th, severe storms developed over western Missouri and moved eastward into central Missouri. A supercell produced a 4.5 mile long EF0 tornado in rural Ray County near the community of Millville, with another supercell producing a 1.5 mile long EF0 near Malta Bend in Saline County. A few other wind damage and 60 mph wind gusts reports were received with the...
Flash Flood — Jun 24, 2021
Late in the afternoon, and through the evening hours on June 24 a cluster of storms over southeast Nebraska congealed into a line of thunderstorms that focused across northern Missouri. Most notably within this line of storms was a cluster of QLCS tornadoes that formed in Grundy County. There may have been other tornadoes associated with circulations that were noted on radar, but emergency mana...
Flash Flood — May 28, 2019
Widespread severe weather moved through the region on May 28. One supercell produced several tornadoes, including the Lawrence to Linwood, Kansas tornado. This storm then went on to produce an EF-2 tornado in northeastern Clay County and did damage to portions of Kearney, Missouri. Earlier in the day, through the morning and early afternoon hours several storms moved through northern Missouri c...
Flash Flood — Aug 9, 2015
In a couple rounds of severe thunderstorms early morning storms did some wind damage in eastern Kansas and western Missouri. Later in the day more storms moved in causing some wind damage as well as some flash flooding.
Flood — Jun 3, 2014
Several lines of storms erupted over northern Missouri into southeastern Nebraska and tracked southeast producing widespread severe weather in northern and northwestern Missouri and northeastern Kansas. The multiple rounds of storms also produced widespread rainfall of 2 to 4 inches, with some areas reporting as much as 5 inches of rain.
Source: NOAA National Weather Service Storm Events Database.
FEMA assigns flood zone designations to areas in Mercer County, Missouri:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Mercer County, Missouri that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.