FloodZoneMap.org

Flash Flood — Williamson, TX

Apr 4, 1997

Roads were closed across much of Williamson County as a result of heavy rainfall. A road repair crew in Taylor was stranded in the high water and were rescued by members of the fire department. Among the creeks out of banks for many hours was Brushy Creek.. Numerous trees were blown down across mainly the eastern part of the county by damaging winds.

Source: NOAA National Weather Service Storm Events Database (event 5599839). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Williamson, TX

This event is one of many recorded floods in Williamson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Williamson County flood data →

More Flood Stories

Flash Flood2 deaths$500K damage

Williamson, TX · Nov 15, 2001

Rainfall began near sunrise over Williamson County, with totals in the mid-morning period approaching 3 inches. By the end of the afternoon, amounts were generally 4 to 6 inches over the south portion of the county, with a major part of the rainfall occurring over the drainage…

Read the full account →
Flash Flood1 death

Williamson, TX · Sep 8, 2010

Tropical storm Hermine made landfall near the Texas/Mexico border on the night of September 6. The storm moved northward through South Texas into South Central Texas. Strong winds and flooding rain began in South Central Texas on September 7.

Read the full account →
Flash Flood$25.0M damage

Williamson, TX · Jul 5, 2025

Precipitable water values over South-Central Texas remained near record levels, and a mid-level anticyclonic circulation continued over Central Texas providing lift to generate thunderstorms.

Read the full account →
Flash Flood$1.1M damage

Williamson, TX · Oct 30, 2013

Prolonged flow from the Gulf of Mexico produced a deep moist layer at the surface with precipitable water values two standard deviations above the mean on area soundings.

Read the full account →