Enter any address in Grenada County, Mississippi to see its FEMA flood zone
Flash flooding from severe thunderstorms is the most frequent type of flood event recorded in Grenada County over the past 30 years, with 67 occurrences. This includes events like the flash flooding caused by heavy rain in April 2025, which inundated several roads in Grenada, Mississippi, and localized flooding from a slow-moving thunderstorm in April 2024. While less frequent, tropical systems have also impacted the county, as seen with Tropical Storm Francine in September 2024, which brought strong winds and flood conditions.
National Flood Insurance Program (NFIP) data indicates that properties in Zone A have experienced the highest number of claims, with an average payout of $11,233 and an average water depth of 4.2 feet. However, properties in other zones, including X_UNSHADED and X_SHADED, have also seen claims with higher average payouts and significant water depths. Homeowners in areas designated as Zone A, as well as those in other flood zones with a history of claims and substantial water depth, should pay close attention to their flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
30 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Grenada County, Mississippi has recorded 72 flood-related events since 1996 according to NOAA's Storm Events Database, including 67 flash floods and 1 river or area floods. The county has received 27 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 (1971–2026)
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 |
| Severe Winter Storms | Severe Ice Storm | Feb 11, 2021 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | Apr 12, 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 Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Feb 22, 2019 |
| Hurricane Isaac | Hurricane | Aug 26, 2012 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Apr 25, 2025 | 5.00K |
| Flash Flood | Mar 15, 2025 | 5.00K |
| Flood | Sep 12, 2024 | 1.00K |
| Flash Flood | Apr 8, 2024 | 5.00K |
| Tropical Storm | Aug 30, 2021 | 15.00K |
| Flash Flood | Jun 10, 2021 | 300.00K |
| Flash Flood | Jun 8, 2021 | 35.00K |
| Flash Flood | Feb 10, 2020 | 10.00K |
| Flash Flood | Feb 22, 2019 | 50.00K |
| Flash Flood | Feb 22, 2019 | 15.00K |
Flash Flood — Apr 25, 2025
Heavy rain produced flash flooding in portions of Grenada, Mississippi, where several roads were inundated.
Flash Flood — Mar 15, 2025
Isolated severe thunderstorms developed across portions of Mississippi in the overnight hours of March 14th. Coverage of severe storms increased into the morning of the 15th before a squall line developed and moved across the area.
Flood — 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 — Apr 8, 2024
An isolated, slow moving thunderstorm caused localized flash flooding in western Grenada County around midday on April 8th.
Tropical Storm — Aug 30, 2021
Major hurricane Ida made landfall as a strong category four hurricane around 11:55am on August 29 near Grand Isle, LA. It then moved very slowly north through south central Louisiana and into Mississippi on August 30. It then turned northeast and moved across the Jackson metro area as a tropical storm and into northeast Mississippi as a tropical depression through the early morning of August 31...
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 Grenada 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 Grenada 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.