Enter any address in Ste. Genevieve County, Missouri to see its FEMA flood zone
Flash flooding from heavy rainfall events is the dominant flood character in Ste. Genevieve County. Over the last 30 years, NOAA Storm Events data shows 15 flash flood events and 6 general flood events. Recent examples include flash flooding on April 4, 2025, caused by a stationary front and heavy rainfall, and on May 17, 2018, when thunderstorms produced heavy rain leading to flash flooding.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A have experienced the most claims, with an average payout of $5,933 for 1.1 feet of water. However, properties in Zone X_SHADED have seen higher average payouts ($11,888) with an average water depth of 1.3 feet, and Zone X_UNSHADED claims, though fewer, show the deepest average water depth at 2.7 feet. Homeowners in Zone A, as well as those in shaded and unshaded Zone X areas, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
5 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Ste. Genevieve County, Missouri has recorded 21 flood-related events since 1996 according to NOAA's Storm Events Database, including 15 flash floods and 6 river or area floods. The county has received 31 federal disaster declarations, 7 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1973–2025)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Mar 30, 2025 |
| 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, Straight-line Winds, And Flooding | Flood | Mar 11, 2019 |
| Severe Storms, Tornadoes, Straight-line Winds And Flooding | Flood | Apr 28, 2017 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Flood | Dec 23, 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 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Apr 4, 2025 | 30.00K |
| Flash Flood | May 17, 2018 | 0.00K |
| Flash Flood | Aug 9, 2018 | 0.00K |
| Flash Flood | Apr 29, 2017 | 0.00K |
| Flash Flood | Dec 28, 2015 | 300.00K |
| Flash Flood | Apr 8, 2015 | 0.00K |
| Flash Flood | Apr 7, 2015 | 0.00K |
| Flood | Jun 1, 2013 | 1.00K |
| Flood | Jun 12, 2010 | 0.00K |
| Flash Flood | Dec 24, 2009 | 0.00K |
Flash Flood — Apr 4, 2025
A stationary front over southern Missouri along with ample mid-level forcing, moisture, and efficient rain processes resulted in flooding across portions of east-central and southeast Missouri. Numerous roads across the St. Louis metropolitan area were impassable due to the heavy rainfall.
Flash Flood — May 17, 2018
An upper level vort max moved through the region, triggering showers and thunderstorms. Some of the storms produced heavy rainfall that lead to flash flooding.
Flash Flood — Aug 9, 2018
Storms trained across southeastern portions of Missouri with several rounds of heavy rain. This produced flash flooding.
Flash Flood — Apr 29, 2017
A strong spring storm system brought multiple rounds of thunderstorms and heavy rain to the southeast half of Missouri during the weekend of April 29th-30th. Rainfall totals surpassed nine inches in some locations and this led to flash flooding and historic flooding along some of the tributaries of the Missouri and Mississippi Rivers. Areas along the Meramec River were especially hard hit as n...
Flash Flood — Dec 28, 2015
A prolonged period of rainfall occurred from the early morning hours of December 26th to the evening of December 28th. The heaviest rainfall occurred in a 50 to 75 mile wide swath from southwest Missouri through the Greater St. Louis Metropolitan Area and into central Illinois. Three day rainfall totals within this swath ranged from 6 to 12 inches, with lighter amounts extending both northwes...
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 Ste. Genevieve 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 Ste. Genevieve 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.