Enter any address in Gasconade County, Missouri to see its FEMA flood zone
Flash flooding from intense rainfall events is the primary flood concern in Gasconade County. Over the past 30 years, the NOAA Storm Events Database has recorded 23 flash flood events and 12 general flood events. Recent examples include flash flooding reported on July 17, 2023, following localized heavy rainfall, and August 2, 2023, during a swath of storms with very heavy rainfall rates.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A have experienced the most claims, with an average payout of $19,559 and an average water depth of 7.6 feet. While Zone X and Zone X_UNSHADED have fewer claims, they have seen higher average payouts, suggesting significant potential losses. Homeowners in Zone A, as well as those in areas with higher average payouts like Zone X and Zone X_UNSHADED, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
7 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Gasconade County, Missouri has recorded 35 flood-related events since 1996 according to NOAA's Storm Events Database, including 23 flash floods and 12 river or area floods. The county has received 20 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 (1973–2020)
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 | Flood | Apr 28, 2017 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Flood | Dec 23, 2015 |
| Flooding | Flood | Jun 1, 2011 |
| Severe Winter Storm | Severe Storm | Jan 31, 2011 |
| Severe Winter Storm | Severe Ice Storm | Jan 26, 2009 |
| Severe Storms And Flooding | Severe Storm | Mar 17, 2008 |
| Severe Winter Storms | Severe Ice Storm | Dec 8, 2007 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 17, 2023 | 0.00K |
| Flash Flood | Aug 2, 2023 | 0.00K |
| Flash Flood | Jul 31, 2020 | 0.00K |
| Flash Flood | Jun 22, 2019 | 0.00K |
| Flood | May 1, 2017 | 0.00K |
| Flash Flood | Aug 2, 2016 | 0.00K |
| Flood | Jan 1, 2016 | 0.00K |
| Flood | Dec 27, 2015 | 160.00K |
| Flash Flood | Dec 26, 2015 | 0.00K |
| Flash Flood | Jun 19, 2015 | 0.00K |
Flash Flood — Jul 17, 2023
Storms developed just south of the I-70 corridor during the early morning hours of July 17th. With precipitable water values between 1.5 and 2.0 inches and the storms oriented in a west to east line, training caused heavy rainfall in some isolated areas with 1 to 3 inches (very localized 4 to 5 inches) of rain. So there were reports of flash flooding in a few locations.
Flash Flood — Aug 2, 2023
A swath of strong to severe storms with very heavy rainfall rates moved southeast across portions of northern and central Missouri during the early morning hours of August 2nd. There were several reports of flash flooding.
Flash Flood — Jul 31, 2020
An upper level low centered over Missouri moved slowly eastward with two lobes of vorticity that were pivoting around each other. The interaction of the two vort maxes produced two distinct areas of heavy rain, one over central/east central Missouri and another over south central and southeast Missouri. Very heavy rain fell in these areas, mainly between 3 and 4 inches of rain, though a few are...
Flash Flood — Jun 22, 2019
An MCS dropped southeastward across the forecast area. Very heavy rain fell across the region and with the soil already saturated from previous rains, there were numerous reports of flash flooding in central Missouri.
Flood — May 1, 2017
A strong spring storm system brought multiple rounds of thunderstorms and heavy rain to the southeast half of Missouri during the last couple days of April. Rainfall totals surpassed nine inches in some locations and this led to historic flooding along some of the tributaries of the Missouri and Mississippi Rivers. Areas along the Meramec River were especially hard hit as new records were set ...
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 Gasconade 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 Gasconade 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.