Flash Flood in Williamson County, Texas

Flash Flood April 21, 2026 · Williamson County, Texas

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Thunderstorms produced heavy rain that led to flash flooding closing several low water crossings across Williamson County.

Persistent isentropic lift generated showers and thunderstorms that led to excessive rainfall and flash flooding.

Began near Georgetown Muni Arpt (30.7100, -97.6700).

Source: NOAA Storm Events Database, event 1333710. Narratives are written by the National Weather Service forecast office that issued the report.

See every tornado that passed near a place you know, measured to its path.