Enter any address in Assumption Parish, Louisiana to see its FEMA flood zone
Assumption Parish County experiences a mix of flood types, with flash flooding and hurricane-related events being the most frequent in the last 30 years. Recent events include Hurricane Francine in September 2024, which brought storm surge and heavy rainfall causing flash flooding, and a significant flash flood event in December 2024 due to a slow-moving cold front and heavy rainfall.
National Flood Insurance Program (NFIP) data shows a significant number of claims in Zone A, with an average payout of $5,878 and an average water depth of 1.1 feet. However, Zone X and X_Unshaded also show substantial claims, with higher average payouts and water depths, particularly in Zone X where the average payout was $24,708 with 1.0 foot of water. Properties in Zone V experienced the deepest water, averaging 5.5 feet.
Homeowners in low-lying coastal areas, those near rivers, and properties located in zones with higher average water depths or payouts, such as Zone X and Zone V, 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.
Assumption Parish, Louisiana has recorded 23 flood-related events since 1996 according to NOAA's Storm Events Database, including 8 flash floods and 1 river or area floods. The county has received 49 federal disaster declarations, 13 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 |
| Tropical Storm Francine | Hurricane | Sep 10, 2024 |
| Hurricane Francine | Hurricane | Sep 9, 2024 |
| Tropical Storm Nicholas | Coastal Storm | Sep 12, 2021 |
| Hurricane Ida | Hurricane | Aug 26, 2021 |
| Tropical Storm Ida | Hurricane | Aug 26, 2021 |
| Severe Storms, Tornadoes, And Flooding | Flood | May 17, 2021 |
| Severe Winter Storm | Severe Ice Storm | Feb 11, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 11, 2021 |
| Hurricane Zeta | Hurricane | Oct 26, 2020 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Sep 11, 2024 | 0.00K |
| Hurricane (Typhoon) | Sep 11, 2024 | 1.00M |
| Flash Flood | Dec 9, 2024 | 0.00K |
| Hurricane (Typhoon) | Aug 29, 2021 | 10.00M |
| Tropical Storm | Oct 9, 2020 | 5.00M |
| Tropical Storm | Jul 12, 2019 | 0.00K |
| Flash Flood | Jan 10, 2013 | 2.00K |
| Hurricane (Typhoon) | Aug 28, 2012 | 1019.00K |
| Hurricane (Typhoon) | Aug 28, 2012 | 5485.00K |
| Tropical Storm | Sep 2, 2011 | 10.00K |
Flash Flood — Sep 11, 2024
Hurricane Francine formed as a tropical storm in the Gulf of Mexico on September 9, 2024, and intensified into a Category 2 hurricane before making landfall near Houma, Louisiana, on the morning of September 11. With sustained winds of 100 mph and gusts peaking at 105 mph, Francine brought widespread damage to southeastern Louisiana and southern Mississippi. A storm surge of 6-9 feet inundated ...
Hurricane (Typhoon) — Sep 11, 2024
Hurricane Francine formed as a tropical storm in the Gulf of Mexico on September 9, 2024, and intensified into a Category 2 hurricane before making landfall near Houma, Louisiana, on the morning of September 11. With sustained winds of 100 mph and gusts peaking at 105 mph, Francine brought widespread damage to southeastern Louisiana and southern Mississippi. A storm surge of 6-9 feet inundated ...
Flash Flood — Dec 9, 2024
On December 9, 2024, a slow-moving cold front interacting with a deep moisture plume resulted in prolonged periods of heavy rainfall across southeastern Louisiana. Widespread rainfall totals of 4 to 8 inches were reported, with localized amounts exceeding 10 inches, particularly in the river parishes portions of the Northshore. The excessive rainfall led to flash flooding, with numerous road cl...
Hurricane (Typhoon) — Aug 29, 2021
The ninth named storm, fourth hurricane, and second major hurricane of the 2021 Atlantic hurricane season, Ida originated from a tropical wave in the Caribbean Sea on August 23rd. On August 26th, the wave developed into a tropical depression, which organized further and became Tropical Storm Ida later that day, near Grand Cayman. On a northwestward track, Ida intensified into a hurricane on Aug...
Tropical Storm — Oct 9, 2020
Delta first developed into a tropical depression in the Caribbean just south of Jamaica on the afternoon of October 4th. As it tracked across the western Caribbean, it rapidly intensified into a Category 4 hurricane. In fact, intensifying from tropical depression to Category strength in 40 hours is the fastest rate of intensification of any storm on record in the Atlantic Basin. Delta quickly w...
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 Assumption Parish, Louisiana:
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 Assumption Parish, Louisiana 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.