San Antonio flash floods trigger rescues, major road closures
PUBLISHED Jun 20, 2026, 2:34 PM ET
Read, Watch or Listen
San Antonio and surrounding areas in South Texas experienced significant flash flooding beginning overnight on June 20, 2026, prompting multiple water rescues and widespread road closures. Medina County Fire/EMS deployed teams through the morning to assist motorists trapped in rapidly rising water, with photos showing partially submerged vehicles. As of 6 a.m., officials reported serious flooding at FM 471 from San Geronimo Creek overflow. By 10 a.m., the Bexar Flood Operations Center listed 21 closures among 196 monitored crossings. Authorities urged residents to avoid travel, follow “Turn Around, Don’t Drown” guidance, and stay off roads until waters recede and infrastructure can be evaluated.
By Sarah Whitman | JQJO News
Timeline of Events
- Overnight June 20, 2026 Flash flooding begins around San Antonio
- Early morning June 20 Emergency crews launch water rescues
- 6 a.m. June 20 FM 471 threatened by San Geronimo Creek
- Morning June 20 Photos show vehicles partially submerged
- Morning June 20 Bexar County sheriff issues travel warnings
- 10 a.m. June 20 Flood Center reports twenty-one closures
- Later June 20 National Weather Service monitors additional rainfall
- Remainder of day Residents urged to stay off roads
News Intelligence
- Flash floods can strike fast, especially in South Texas. Safety is paramount. Check your local weather report and heed travel warnings. "Turn Around, Don’t Drown" isn't just a catchy phrase—it's life-saving advice.
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