FloodZoneMap.org

Armstrong County, Texas Flood Zones

Check an Address in Armstrong County

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

The Flooding Character of Armstrong County

Flash flooding from thunderstorms dominates the flood risk in Armstrong County. Between 1993 and 2023, NOAA Storm Events data recorded 12 flood events and 11 flash flood events in the county. For example, on September 19, 2019, thunderstorms produced very heavy rains, with one location in Armstrong County measuring 6.27 inches in one hour and a daily total of 9.54 inches. Another event on March 13, 2021, also brought widespread hazards due to a potent upper-level system.

Residents in areas prone to flash flooding, particularly those in lower-lying areas or near drainage channels, should pay close attention to flood risk. Homeowners without a Base Flood Elevation (BFE) and those located in areas that have historically experienced rapid water level rises are most vulnerable.

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

Read First-Hand Flood Stories from Armstrong County

7 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 Armstrong County

Armstrong County, Texas has recorded 23 flood-related events since 1996 according to NOAA's Storm Events Database, including 11 flash floods and 12 river or area floods. The county has received 14 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.

Armstrong County Disaster History

FEMA Disaster Declarations (1998–2026)

Disaster Declarations
14
Hurricane Disasters
1
Latest Disaster
8 Ball Fire (2026-02-17)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Armstrong County

DeclarationTypeDate
8 Ball FireFireFeb 17, 2026
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
WildfiresFireMar 14, 2008
Extreme Wildfire ThreatFireNov 27, 2005
Hurricane RitaHurricaneSep 23, 2005
Hurricane Katrina EvacuationHurricaneAug 29, 2005

Recorded Flood Events in Armstrong County

NOAA Storm Events Database (1996–2025)

Total Flood Events
23
River/Area Floods
12
Flash Floods
11
Total Property Damage
$8,000

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Armstrong County

TypeDateDamage
Flash FloodSep 9, 20253.00K
FloodMar 13, 20215.00K
FloodSep 19, 20190.00K
FloodOct 3, 20190.00K
Flash FloodAug 10, 20170.00K
Flash FloodMay 27, 20150.00K
Flash FloodJul 9, 20150.00K
Flash FloodMay 21, 20140.00K
Flash FloodJun 19, 20130.00K
FloodJun 19, 20080.00K

Armstrong County Flood History

Flash Flood — Sep 9, 2025

On the evening of September 9th, a very subtle upper level system passed over the region, which allowed several thunderstorms to develop across the western to central Texas Panhandle. The atmosphere was strongly unstable for September standards, combined with moderate wind shear and high moisture content, and this proved to be conducive for storms to produce severe hail, winds, and localized fl...

Flood — Mar 13, 2021

A very potent upper level system produced widespread hazards from heavy snow across the front range/Rockies to severe weather across the Southern High Plains. The vigorous closed upper low was approached the Four Corners region from the west. A warm front lifted north and northwest across all but the Oklahoma Panhandle and the northwest Texas Panhandle while a sharpening dryline was located ove...

Flood — Sep 19, 2019

Deep trough over the western half of the United States funneled moisture northeast into the Panhandles. A surface trough near the New Mexico State Line helped spark late afternoon and evening thunderstorms across the central and south-central Texas Panhandle produced strong winds, hail and very heavy rains. The West Texas Mesonet station 12 miles southwest of Claude in Armstrong County measured...

Flood — Oct 3, 2019

Significant moisture across the region combined with a cold front to produce early day thunderstorms led to minor flooding across central and south-central parts of the Texas Panhandle.

Flash Flood — Aug 10, 2017

The first round of weather early in the morning on the 10th produced flash flooding reports in Armstrong and Randall counties. With PWAT values in the 75th percentile based off climatology upper air obs, the atmosphere was very moist to support heavy rainfall. Residual outflow boundaries across the western TX Panhandle generated storms later in the afternoon on the 10th with SBCAPE of around 15...

Source: NOAA National Weather Service Storm Events Database.

Texas Statewide Flood Insurance Data

Total NFIP Claims
393,539
Total Claims Paid
$17.3B

Flood Zone Types in Armstrong County

FEMA assigns flood zone designations to areas in Armstrong 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 Armstrong County

Properties in Armstrong 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.