Overview
- The heat dome has driven repeated triple‑digit highs in Houston, Austin and San Antonio this weekend and pushed afternoon heat‑index values above 108 degrees.
- National Weather Service offices have issued Heat Advisories for parts of the Gulf Coast and Southeast as heat indices are forecast between about 108° and 115°F.
- City forecasts show only isolated 10–20% rain chances in many Texas metro areas, so brief afternoon storms are unlikely to provide widespread cooling.
- Monsoonal moisture over Colorado has produced strong to severe thunderstorms, flash flooding and active flash‑flood warnings for burn scars such as Aspen Acres.
- The Atlantic basin is unusually quiet with no organized tropical threat to Texas right now, and forecast guidance suggests the high‑pressure ridge will weaken only slowly next week, prolonging heat risks and strain on cooling systems.