Enter any address in Jefferson County, Mississippi to see its FEMA flood zone
Flash flooding from thunderstorms is the most frequent type of flood event in Jefferson County, MS, with 16 occurrences in the last 30 years. Other notable events include tropical storms and hurricanes. For example, thunderstorms caused flash flooding on May 30, 2024, and again on January 14, 2020, due to heavy rainfall on saturated ground. Tropical Storm Ida brought significant impacts on August 30, 2021, and Hurricane Delta caused heavy rainfall and downed trees on October 9, 2020.
National Flood Insurance Program (NFIP) data indicates that properties in Zone A have experienced the highest number of claims (37), with an average payout of $15,773 and an average water depth of 8.3 feet. Zone X also saw claims, averaging $11,190 with a water depth of 6.1 feet. Homeowners in Zone A, and those in Zone X, should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
16 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Jefferson County, Mississippi has recorded 25 flood-related events since 1996 according to NOAA's Storm Events Database, including 16 flash floods and 3 river or area floods. The county has received 26 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 (1965–2026)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Winter Storm | Jan 23, 2026 |
| Severe Storms, Straight-line Winds, And Tornadoes. | Severe Storm | Jun 14, 2023 |
| Hurricane Ida | Hurricane | Aug 28, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 11, 2021 |
| Hurricane Delta | Hurricane | Oct 7, 2020 |
| Hurricane Sally | Hurricane | Sep 14, 2020 |
| Hurricane Marco And Tropical Storm Laura | Hurricane | Aug 23, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | Apr 30, 2017 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | May 30, 2024 | 1.00K |
| Tropical Storm | Aug 30, 2021 | 100.00K |
| Flash Flood | Jan 14, 2020 | 5.00K |
| Tropical Storm | Oct 9, 2020 | 100.00K |
| Flash Flood | Mar 28, 2014 | 10.00K |
| Flash Flood | Jul 9, 2014 | 2.00K |
| Flash Flood | May 10, 2013 | 5.00K |
| Tropical Storm | Aug 29, 2012 | 100.00K |
| Flood | May 8, 2011 | 105.00K |
| Flood | Jun 1, 2011 | 15.00K |
Flash Flood — May 30, 2024
Thunderstorms affected portions of Mississippi on the 20th and 30th. Isolated damaging winds and flash flooding occurred.
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...
Flash Flood — Jan 14, 2020
A warm front was situated across southern Mississippi during the evening of January 13th. This, combined with a passing disturbance and anomalous moisture, supported numerous thunderstorms and heavy rainfall that produced widespread rainfall between 2 and 6 inches with the heavies corridor right across the central portion of the forecast area. This resulted in widespread flash flooding across t...
Tropical Storm — Oct 9, 2020
Hurricane Delta made landfall along the southwest Louisiana Gulf Coast around 5:00 p.m. CDT on October 9th and moved to the northeast across southwest and central Mississippi. Heavy rainfall saturated and loosened soils, allowing for many trees to be blown down even as the hurricane weakened into a tropical storm and then tropical depression. Some of the trees fell onto and damaged homes and po...
Flash Flood — Mar 28, 2014
A strong upper disturbance propagated through the southern Great Plains into the lower Mississippi Valley between Thursday and late Friday. This system brought a couple rounds of storms during this time as it combined with increasing deep moisture and strong upper level winds. Conditions were favorable for large hail and damaging winds as stronger lift combined with the moisture and instability...
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 Jefferson 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 Jefferson 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.