Enter any address in Maverick County, Texas to see its FEMA flood zone
Flash flooding from thunderstorms dominates Maverick County. Over the past 30 years, the NOAA Storm Events Database recorded 56 flash flood events, which resulted in 3 fatalities. For example, on May 8, 2025, thunderstorms produced heavy rain leading to flash flooding. Another instance occurred on July 14, 2025, when a mesoscale convective vortex along the Rio Grande generated locally heavy rain and flash flooding.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A experienced 81 claims with an average payout of $34,023 and an average water depth of 5.0 feet. Zone X saw 36 claims, averaging $48,321 and 1.7 feet of water. Properties in Zone X_UNSHADED had 8 claims with an average payout of $30,901 and an average water depth of 5.5 feet. Homeowners in areas designated as Zone A, Zone X_UNSHADED, and particularly those in Zone UNKNOWN where claims averaged a significant 35.2 feet of water depth, should pay the most attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
5 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Maverick County, Texas has recorded 60 flood-related events since 1996 according to NOAA's Storm Events Database, including 56 flash floods and 4 river or area floods. The county has received 14 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1989–2021)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| 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 |
| Hurricane Alex | Hurricane | Jun 30, 2010 |
| Wildfires | Fire | Mar 14, 2008 |
| Severe Storms And Tornadoes | Severe Storm | Apr 21, 2007 |
| Extreme Wildfire Threat | Fire | Nov 27, 2005 |
| Hurricane Rita | Hurricane | Sep 23, 2005 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 14, 2025 | 0.00K |
| Flash Flood | May 8, 2025 | 0.00K (1 deaths) |
| Flash Flood | Sep 7, 2025 | 0.00K |
| Flash Flood | Aug 30, 2022 | 0.00K |
| Flash Flood | Jun 1, 2021 | 5.00K |
| Flood | Sep 27, 2017 | 0.00K |
| Flash Flood | Aug 20, 2016 | 0.00K |
| Flash Flood | Nov 4, 2016 | 0.00K |
| Flash Flood | May 21, 2015 | 0.00K |
| Flash Flood | May 15, 2015 | 20.00K |
Flash Flood — Jul 14, 2025
A mesoscale convective vortex developed along the Rio Grande and moved northeastward across South-Central Texas. Thunderstorms from this complex produced locally heavy rain that led to flash flooding.
Flash Flood — May 8, 2025
Thunderstorms developed along a stationary front across South-Central Texas. Some of these storms produced damaging wind gusts and heavy rain that led to flash flooding.
Flash Flood — Sep 7, 2025
Isentropic lift over a relatively cool airmass produced showers and thunderstorms that eventually produced excessive rainfall and isolated flash flooding.
Flash Flood — Aug 30, 2022
A mid to upper level low moved over a warm, moist airmass in South Central Texas and generated slow moving thunderstorms. Some of these storms produced heavy rain that led to flash flooding.
Flash Flood — Jun 1, 2021
A cold front generated thunderstorms as it moved through South Central Texas. One of these storms produced heavy rain that led to flash flooding.
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 Maverick 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 Maverick 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.