Enter any address in Clark County, Missouri to see its FEMA flood zone
Flash flooding from heavy rainfall events dominates the flood character of Clark County. In the last 30 years, NOAA Storm Events data shows 45 flash flood events and 40 flood events. Recent examples include widespread flash flooding in July 2023 following 3 to 4 inches of rain, and a significant rain event in August 2023 that produced 4 to 8 inches of rain in less than 6 hours, causing rapid rises on the Fox River near Wayland and necessitating water rescues.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A have experienced the most claims, with an average payout of $86,943 and an average water depth of 6.6 feet. While Zone X claims are fewer, they show a higher average water depth of 13.7 feet. Homeowners in Zone A and those in Zone X, as well as properties located near rivers and streams, should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
32 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Clark County, Missouri has recorded 85 flood-related events since 1996 according to NOAA's Storm Events Database, including 45 flash floods and 40 river or area floods. The county has received 27 federal disaster declarations, 6 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1965–2023)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Jul 29, 2023 |
| 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 | Flood | Dec 22, 2015 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | May 15, 2015 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | May 29, 2013 |
| Flooding | Flood | Jun 1, 2011 |
| Severe Winter Storm | Severe Storm | Jan 31, 2011 |
| Severe Winter Storm And Snowstorm | Severe Storm | Jan 31, 2011 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 26, 2025 | 0.00K |
| Flash Flood | Aug 5, 2023 | 0.00K |
| Flash Flood | Aug 4, 2023 | 0.00K |
| Flash Flood | Jun 28, 2021 | 0.00K |
| Flash Flood | Jun 30, 2020 | 0.00K |
| Flood | May 30, 2019 | 0.00K |
| Flood | May 29, 2019 | 0.00K |
| Flash Flood | Sep 27, 2019 | 0.00K |
| Flash Flood | May 25, 2019 | 0.00K |
| Flood | May 2, 2019 | 0.00K |
Flash Flood — Jul 26, 2025
During the morning of July 26th, widespread showers and thunderstorms slowly moved across far northeast Missouri. These showers and storms produced widespread heavy rainfall of 3 to 4 inches leading to flash flooding across Clark County.
Flash Flood — Aug 5, 2023
A significant rain event occurred late Friday into Saturday across northeast Missouri, extreme southeast Iowa, and west central Illinois, which resulted in flash flooding and a rapid rise on the Fox River near Wayland, Missouri. A slow moving mesoscale convective vortex (MCV) tracked over the area and brought very heavy rain in a short amount of time. Rainfall amounts between 4 and 8 inches f...
Flash Flood — Aug 4, 2023
A significant rain event occurred late Friday into Saturday across northeast Missouri, extreme southeast Iowa, and west central Illinois, which resulted in flash flooding and a rapid rise on the Fox River near Wayland, Missouri. A slow moving mesoscale convective vortex (MCV) tracked over the area and brought very heavy rain in a short amount of time. Rainfall amounts between 4 and 8 inches f...
Flash Flood — Jun 28, 2021
Early on the 28th, showers and thunderstorms developed in an anomalously moist environment, with precipitable water values reaching up to 2 inches. One large storm developed, producing very heavy rainfall in Scotland and Clark Counties, eventually dying off as it continued to move east. This storm dropped upwards to 3 inches or more, which led to flash flooding in mainly rural area. Roads were ...
Flash Flood — Jun 30, 2020
A shortwave lifting northeastward across Missouri and a slow moving mesoscale convective vorticity maximum interacted with a warm and humid air mass across northeast Missouri and brought thunderstorms that produced heavy rainfall of 4 to 6 inches and flash flooding.
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Clark 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 Clark 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.