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Slow-Moving Storm Triggers Flash-Flood Threat in Texas Hill Country as WPC Issues Moderate Risk

Forecasters warn of rapid runoff in steep terrain, with training thunderstorms over thin soils raising the risk of dangerous rises on creeks and rivers.

Overview

  • Flood watches remain in effect through early Friday for much of South-Central Texas, including Austin and San Antonio, as a Gulf‑moisture‑rich system produces rounds of heavy rain.
  • The Weather Prediction Center maintains a Moderate Risk for excessive rainfall in the Edwards Plateau and western Hill Country, where 3–5 inches are likely with locally higher totals.
  • A Flood Warning is active on the Guadalupe River near Hunt in Kerr County after storms stalled overnight, and a Level 3 of 4 flash‑flood risk targets the Hill Country.
  • Most locations are forecast to receive 1–3 inches, but favored western zones from the Rio Grande into the southern Concho Valley could see isolated 6–8 inches and rapid rises at low‑water crossings.
  • The frontal system shifts east later Thursday into eastern Oklahoma, the Ozarks, and Southeast Texas, bringing a risk of heavy rain for late‑Thursday into Friday commutes and a low chance of isolated severe storms.