Enter any address in Henderson County, Texas to see its FEMA flood zone
Flash flooding from thunderstorms is the dominant flood character in Henderson County, TX. Over the past 30 years, NOAA Storm Events data shows 48 flash flood events, significantly more than other flood types. Recent examples include a flash flood event on June 4, 2025, associated with thunderstorms and a cold front, and another on May 6, 2025, also linked to thunderstorms.
FEMA National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A, which typically have higher water depths, experienced an average water depth of 12.2 feet. Zone X, the most common zone with 56 claims, saw an average water depth of 3.3 feet. Homeowners in areas designated as Zone A, or those with properties that have historically experienced significant water intrusion, should pay the most 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.
Henderson County, Texas has recorded 59 flood-related events since 1996 according to NOAA's Storm Events Database, including 48 flash floods and 10 river or area floods. The county has received 25 federal disaster declarations, 4 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1966–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Flood | Apr 26, 2024 |
| Severe Winter Storm | Winter Storm | Jan 30, 2023 |
| Severe Winter Storm | Severe Ice Storm | Feb 11, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 11, 2021 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Tornadoes, And Flooding | Flood | Mar 7, 2016 |
| Severe Winter Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | Dec 26, 2015 |
| Severe Storms, Tornadoes, Straight-line Winds And Flooding | Severe Storm | May 4, 2015 |
| Wildfires | Fire | Aug 30, 2011 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | May 6, 2025 | 0.00K |
| Flood | Mar 4, 2025 | 0.00K |
| Flash Flood | Jun 4, 2025 | 150.00K |
| Flood | May 5, 2022 | 0.00K |
| Flood | Jul 7, 2020 | 100.00K |
| Flash Flood | Apr 24, 2019 | 0.00K |
| Flood | Mar 9, 2016 | 0.00K |
| Flash Flood | Mar 9, 2016 | 3.00K |
| Flash Flood | Mar 9, 2016 | 5.00K |
| Flood | Dec 27, 2015 | 30.00K |
Flash Flood — May 6, 2025
A sharp upper trough and a meandering surface front generated two rounds of thunderstorms across the region, one round on May 5 and the other on May 6. Most of the severe weather took place on the 6th, when large hail, damaging winds, and a few tornadoes occurred. A total of 5 tornadoes were surveyed in the far southeast parts of the County Warning Area: two EF-0s and three EF-1s. The strongest...
Flood — Mar 4, 2025
A deep upper trough moving east through the Plains was accompanied by a Pacific cold front, along which a line of strong to severe thunderstorms developed early in the morning of March 4. This line of storms produced damaging winds in the 80-100 mph at times, a few hail reports, and two tornadoes as it pushed east through North and Central Texas the morning of March 4. The damaging thunderstorm...
Flash Flood — Jun 4, 2025
On June 3 and 4, a cold front and a dryline served as focal points for thunderstorm development across North and Central Texas. These storms were associated with several instances of severe weather and flooding. Unfortunately Unfortunately one person died due to flooding in Dallas County, and a lightning strike killed one person and severely injured another person in Grayson County.
Flood — May 5, 2022
An upper level low pressure system and a cold front worked together to generate a round of strong to severe thunderstorms during the day of Thursday May 5. Activity was focused primarily along and ahead of the cold front, and most of the strong to severe storms occurred across our Central and East Texas counties.
Flood — Jul 7, 2020
A complex of showers and thunderstorms formed along an outflow boundary from earlier convection and slowly moved southward across parts of Central and East Texas. Several reports of flooding were received throughout the day.
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 Henderson County, Texas:
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 Henderson County, Texas 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.