Enter any address in Marion County, Mississippi to see its FEMA flood zone
Flash flooding from thunderstorms is the most frequent flood event in Marion County, MS, with 79 occurrences recorded in the last 30 years. Other notable events include tropical storms and hurricanes. For example, localized flash flooding occurred in June 2025 following rounds of storms, and heavy rain and flooding were reported in January 2024 due to training showers and thunderstorms. Tropical Storm Francine also brought strong wind damage to the region in September 2024.
National Flood Insurance Program (NFIP) data shows that Zone A areas have experienced the highest number of claims (257) with an average payout of $12,180 and an average water depth of 3.3 feet. Zone X_SHADED areas have also seen significant claims (156) with an average payout of $10,851 and an average water depth of 1.3 feet. Homeowners in Zone A and Zone X_SHADED, as well as those in areas with unknown flood risk, should pay particular attention to flood preparedness.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
35 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Marion County, Mississippi has recorded 92 flood-related events since 1996 according to NOAA's Storm Events Database, including 79 flash floods and 2 river or area floods. The county has received 37 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1969–2026)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Winter Storm | Jan 23, 2026 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Mar 14, 2025 |
| Hurricane Ida | Hurricane | Aug 28, 2021 |
| Hurricane Delta | Hurricane | Oct 7, 2020 |
| Hurricane Sally | Hurricane | Sep 14, 2020 |
| Hurricane Marco And Tropical Storm Laura | Hurricane | Aug 23, 2020 |
| Severe Storms, Flooding, And Mudslides | Severe Storm | Feb 10, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storm, Straight-line Winds, And Flooding | Severe Storm | Oct 26, 2019 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jun 9, 2025 | 12.00K |
| Flash Flood | Jan 24, 2024 | 75.00K |
| Tropical Storm | Sep 12, 2024 | 10.00K |
| Flash Flood | Mar 18, 2022 | 2.00K |
| Flash Flood | Apr 5, 2022 | 5.00K |
| Tropical Storm | Aug 29, 2021 | 30.00K |
| Flash Flood | Feb 11, 2021 | 25.00K |
| Flash Flood | Feb 11, 2021 | 3.00K |
| Flash Flood | Feb 11, 2021 | 0.00K |
| Flash Flood | Feb 11, 2021 | 20.00K |
Flash Flood — Jun 9, 2025
A few rounds of storms impacted the region between the 9th and 11th of June. A combination of a few storm clusters along with scattered activity resulted in isolated damaging winds and localized flash flooding.
Flash Flood — Jan 24, 2024
With an upper-level trough of low pressure situated over Central Plains and a very moist air mass extending north through the Mississippi River Valley, training showers and thunderstorms produced heavy rain and flooding over parts of Mississippi.
Tropical Storm — Sep 12, 2024
Tropical Storm Francine made landfall in southern Louisiana on the evening of September 11th, 2024. The weakening storm produced strong wind damage as it moved across central Mississippi the morning of September 12th, 2024.
Flash Flood — Mar 18, 2022
Showers and thunderstorms developed in the warm, moist airmass south of a warm front. Some storms were severe and produced wind damage to portions of southeast Mississippi. Flash flooding occurred as storms began to move over the same region.
Flash Flood — Apr 5, 2022
A low pressure system moving east along the Arkansas Louisiana border helped to organize a line of severe thunderstorms early in the morning of April 5th. Widespread severe wind gusts and several tornadoes occurred with this squall line as it moved east across Mississippi. Some hail also occurred with these storms.
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 Marion County, Mississippi:
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 Marion County, Mississippi 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.