Flash Flood — Llano, Texas

2025-06-11 to 2025-06-12 · near Oxford, Llano, Texas

Event narrative

Thunderstorms produced heavy rain that led to flash flooding. RM 152 and RM 2323 were closed at some of the tributaries to the Llano River east and southeast of Castell.

Wider weather episode

A mid-level shortwave trough moved over Texas and combined with an abnormally moist airmass to generate thunderstorms. These storms were very efficient rain producers dropping locally heavy rain that led to flash flooding. There were also a few severe thunderstorms.

View location on OpenStreetMap → (30.5831, -98.8371)

Source: NOAA Storm Events Database, event_id 1271960. Narrative written by the NWS forecast office that issued the report.