The flash flood risk in the region is a factor through Thursday, but the highest risk could be Wednesday night and Thursday, forecasters said.

The abrupt closure comes after the city experienced record-breaking rainfall in the morning hours on Thursday. Between 3 and 8 inches of rain occurred in Bexar County, according to the National Weather Service. The heavy rains blanketed the region, causing power outages, high-water rescues and at least four fatalities.

San Antonio weather includes a mix of showers, thunderstorms, and hot sunny days, with highs in the 90s and varying chances of rain.

With heavy rain pouring in overnight and throughout Thursday afternoon, Bexar County, the City of Live Oak, the City of Converse announced park closures due to weather and flooding.

A powerful storm moved through the Rio Grande Valley on Thursday, June 12, 2025. In Edinburg, at least one local business lost its corrugated metal roof because of high winds. Several roads were temporarily closed by flash flooding, and high winds knocked down trees.

San Antonio launched a safety initiative offering workshops at City Resilience Hubs to prepare residents for hot weather, including topics on heat preparedness and community assistance.

Heavy rain and storms trap drivers in high water on San Antonio's northeast side Thursday morning. SAN ANTONIO — Drivers are getting stuck in dangerous high water at Thousand Oaks and Wetmore on the northeast side of San Antonio Thursday morning after heavy rain and storms throughout the early morning hours.

The alert advised those in the San Antonio-area city to "TAKE COVER NOW" and "find shelter now" just after midnight on Thursday, June 12. That same alert was also issued for multiple cities in the area, including Helotes, Hill Country Village and Castle Hills.