Enter any address in Allen Parish, Louisiana to see its FEMA flood zone
Flash flooding from thunderstorms is the most frequent type of flood event recorded in Allen Parish County over the last 30 years, with 19 such events documented. Recent examples include flash flooding on May 6th, 2025, and November 9th, 2024, both associated with stalled weather systems and heavy rainfall. Tropical storms and hurricanes have also impacted the area, with hurricanes accounting for 4 events and 3 fatalities.
National Flood Insurance Program (NFIP) data indicates that properties in Zone A have experienced the highest number of claims, with 191 claims averaging $24,035 and an average water depth of 3.0 feet. Properties in Zone X, despite fewer claims (52), show a significantly higher average payout of $42,073 with an average water depth of 7.6 feet, suggesting potential for more severe inundation in these areas. Residents in Zone A and Zone X, as well as those in Zone X_Unshaded, should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
10 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Allen Parish, Louisiana has recorded 31 flood-related events since 1996 according to NOAA's Storm Events Database, including 19 flash floods and 3 river or area floods. The county has received 40 federal disaster declarations, 8 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1979–2026)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Winter Storm | Jan 23, 2026 |
| Tropical Storm Francine | Hurricane | Sep 10, 2024 |
| Tropical Storm Nicholas | Coastal Storm | Sep 12, 2021 |
| Hurricane Ida | Hurricane | Aug 26, 2021 |
| Tropical Storm Ida | Hurricane | Aug 26, 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 |
| Tropical Storm Zeta | Hurricane | Oct 26, 2020 |
| Hurricane Delta | Hurricane | Oct 6, 2020 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | May 7, 2025 | 0.00K |
| Flash Flood | May 6, 2025 | 0.00K |
| Flash Flood | Jan 24, 2024 | 0.00K |
| Flash Flood | May 16, 2024 | 0.00K |
| Flash Flood | May 13, 2024 | 0.00K |
| Flash Flood | Nov 9, 2024 | 100.00K |
| Hurricane (Typhoon) | Aug 26, 2020 | 400.00M (3 deaths) |
| Tropical Storm | Oct 9, 2020 | 100.00M |
| Flash Flood | Jul 30, 2019 | 0.00K |
| Flash Flood | Jul 14, 2019 | 500.00K |
Flash Flood — May 7, 2025
A warm front slowly lifted north across the region during the 6th causing rain and thunderstorms. A low pressure system and associated cold front slowly pushed back across the area on the 7th and stalled into the 9th with a couple rounds of heavy rain and thunderstorms.
Flash Flood — May 6, 2025
A warm front slowly lifted north across the region during the 6th causing rain and thunderstorms. A low pressure system and associated cold front slowly pushed back across the area on the 7th and stalled into the 9th with a couple rounds of heavy rain and thunderstorms.
Flash Flood — Jan 24, 2024
A slow moving storm system affected Central and South Louisiana with multiple days of heavy rain and a few severe storms.
Flash Flood — May 16, 2024
Multiple upper disturbances moved across the region from the 12th through the 16th causing a rounds of strong to severe thunderstorms which produced numerous reports of damage, flooding, and high winds.
Flash Flood — May 13, 2024
Multiple upper disturbances moved across the region from the 12th through the 16th causing a rounds of strong to severe thunderstorms which produced numerous reports of damage, flooding, and high winds.
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 Allen 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 Allen 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.