FloodZoneMap.org

Dawson County, Texas Flood Zones

Check an Address in Dawson County

Enter any address in Dawson County, Texas to see its FEMA flood zone

The Flooding Character of Dawson County

Flash flooding from thunderstorms dominates the flood risk profile in Dawson County. Over the past 30 years, NOAA Storm Events data shows 52 recorded flash flood events compared to only one general flood event. Recent examples include flash flooding reported in September 2025 following a moist airmass and trough, and in May 2025 when a strong storm produced flash flooding.

National Flood Insurance Program (NFIP) data indicates that while most claims in Dawson County have occurred in Zone A, with an average payout of $15,469, one claim was also filed in Zone X_Unshaded, with an average payout of $9,523. Homeowners in Zone A, and those in Zone X_Unshaded who may still experience flooding, should pay close attention to flood risk.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from Dawson County

18 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read Texas flood stories →

Flood Risk Data for Dawson County

Dawson County, Texas has recorded 53 flood-related events since 1996 according to NOAA's Storm Events Database, including 52 flash floods and 1 river or area floods. The county has received 16 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.

Dawson County Disaster History

FEMA Disaster Declarations (1992–2021)

Disaster Declarations
16
Hurricane Disasters
2
Latest Disaster
Severe Winter Storms (2021-02-11)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Dawson County

DeclarationTypeDate
Severe Winter StormSevere Ice StormFeb 11, 2021
Severe Winter StormsSevere Ice StormFeb 11, 2021
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
WildfiresFireApr 6, 2011
Hurricane AlexHurricaneJun 30, 2010
WildfiresFireMar 14, 2008
Extreme Wildfire ThreatFireNov 27, 2005
Hurricane RitaHurricaneSep 23, 2005
Hurricane Katrina EvacuationHurricaneAug 29, 2005

Recorded Flood Events in Dawson County

NOAA Storm Events Database (1996–2025)

Total Flood Events
53
River/Area Floods
1
Flash Floods
52
Total Property Damage
$20.8M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Dawson County

TypeDateDamage
Flash FloodMay 29, 20250.00K
Flash FloodSep 13, 2025150.00K
Flash FloodJun 10, 20250.00K
Flash FloodJul 3, 20250.00K
Flash FloodJun 2, 20230.00K
Flash FloodJun 28, 20210.50K
Flash FloodJun 28, 202150.00K
Flash FloodJun 26, 202110.00M
Flash FloodJun 26, 20211.00K
Flash FloodApr 13, 20150.00K

Dawson County Flood History

Flash Flood — May 29, 2025

A disturbance in the quasi-zonal/northwesterly flow aloft, a dryline, and a cold front moving across the northern Permian Basin allowed for the development of scattered thunderstorms across Southeast New Mexico and West Texas. Thunderstorm coverage continued to increase into the afternoon and evening, and a number of storms became severe. The strongest storm of the day was in Dawson and Howard ...

Flash Flood — Sep 13, 2025

A nearby trough, coupled with a very moist airmass, led to the development of a line of showers and thunderstorms in New Mexico during the morning of the 13th. This line moved across Southeast New Mexico and West Texas throughout the day, strengthening in the afternoon thanks to diurnal destabilization. Additional thunderstorms developed in Southeast New Mexico behind this line in the higher te...

Flash Flood — Jun 10, 2025

A cold front/outflow boundary, coupled with vorticity maxima in the northwesterly flow aloft, resulted in the development of severe thunderstorms in the Permian Basin of West Texas and Southeast New Mexico during the evening and overnight hours on June 9th. Supercells formed initially, but storms eventually grew upscale later that night. These storms produced multiple instances of severe winds ...

Flash Flood — Jul 3, 2025

Anomalously high moisture associated with the remnants of Tropical Storm Barry encouraged the development of tropical downpours across West Texas and Southeast New Mexico. These downpours resulted in Flash Flooding for portions of the area.

Flash Flood — Jun 2, 2023

A large closed upper-low was located over the northern Great Plains with a shortwave trough to the south within the sub-tropical jet stream. These features helped bring rich moisture and instability into the region. Widespread strong to severe thunderstorms developed across much of the region. The Permian Basin and the Stockton Plateau were the two main areas of note. Severe winds, large hail. ...

Source: NOAA National Weather Service Storm Events Database.

Dawson County NFIP Flood Insurance Claims

Total Claims Filed
9
Total Paid Out
$133,276
Avg Claim
$14,808
Avg Water Depth
1.0 ft

Claims by Flood Zone

A Zones (High Risk)
8
X Unshaded (Low)
1

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Dawson County

FEMA assigns flood zone designations to areas in Dawson 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.

View all flood zone types →

Flood Insurance in Dawson County

Properties in Dawson 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.