News Summary
San Antonio experienced heavy rainfall on Friday morning, leading to significant flash flooding and major disruptions to the morning commute. A Flash Flood Warning was issued as peak travel hours saw vehicles stranded on Interstate 35. With approximately 3 inches of rain falling within six hours and more expected, emergency services remain on high alert. Residents are advised to be vigilant as further storms and hazardous conditions may continue to impact the area.
San Antonio – Torrential downpours in San Antonio on Friday morning led to widespread flash flooding that significantly disrupted the city’s morning commute. As a result of the heavy rains, a Flash Flood Warning was issued for the area until 10 a.m. CT.
By 7:30 a.m., Interstate 35 was severely affected, with many vehicles stranded in high water during peak travel hours. The San Antonio Fire Department received reports of six vehicles that required assistance due to being trapped in floodwaters; fortunately, no injuries have been reported from these incidents.
The heavy rainfall in San Antonio totaled approximately 3 inches over a span of just six hours. Meteorologists noted that the rain rates ranged from 1 to 2 inches per hour, typically resulting in street flooding within the city. Additionally, I-35 near the San Antonio International Airport was closed in both directions owing to the flooding.
The storm system impacting Texas earlier in the week had already caused significant damage, including strong winds, hail, and widespread power outages affecting over 21,000 accounts in Texas. In particular, life-threatening flash flooding warnings were issued for Blanco County. These storms are a part of a larger weather pattern attributed to a boundary that separates cooler air from the north and warm, humid air from the Gulf Coast, creating hazardous conditions across southern Texas.
As additional rainfall of 1 to 3 inches has been forecast for the affected areas, the public remains wary, especially since flash flooding is known to be one of the deadliest weather-related hazards in the United States. Annually, this phenomenon results in an average of 127 fatalities. A mere 6 inches of quickly moving water is capable of displacing an adult, while 1 foot can sweep away a car.
This recent episode of flash flooding follows a history of significant flooding along the Riverwalk just days prior, with Bexar County reservoirs currently reported to be at levels lower than usual for this time of year. The storms have produced an ongoing threat, especially considering that the area has faced multiple storm systems recently.
As the situation in San Antonio unfolds, meteorologists have indicated that the thunderstorms affecting the region are beginning to weaken. However, residents should stay alert for potential further disturbances, as additional storms are expected across Gulf Coast states and into the Mid-Atlantic moving forward.
The impact of these harsh weather conditions disrupts not only the daily commute but also poses serious risks to safety and infrastructure, prompting emergency services to be on high alert. Nevertheless, the San Antonio community continues to navigate the aftermath of these severe weather events, focusing on recovery and readiness for future storms.
With California also bracing for its first heat wave of the season, as temperatures are predicted to exceed triple digits, the overall weather trend across the country highlights the need for heightened awareness and preparedness for various weather-related challenges that may arise.
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Additional Resources
- AOL News
- Wikipedia: San Antonio Flood
- Fox Weather
- Google Search: San Antonio Flash Floods 2025
- KENS5
- Google Scholar: Flash Floods San Antonio 2025
- USA Today
- Encyclopedia Britannica: Flash Floods Texas
- MSN
- Google News: San Antonio Flash Flood 2025
Author: STAFF HERE SAN ANTONIO WRITER
The SAN ANTONIO STAFF WRITER represents the experienced team at HERESanAntonio.com, your go-to source for actionable local news and information in San Antonio, Bexar County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Fiesta San Antonio, San Antonio Stock Show & Rodeo, and Dia de los Muertos. Our coverage extends to key organizations like the Greater San Antonio Chamber of Commerce and United Way of San Antonio and Bexar County, plus leading businesses in retail, insurance, and energy that power the local economy such as H-E-B, USAA, and Valero Energy. As part of the broader HERE network, including HEREAustinTX.com, HERECollegeStation.com, HEREDallas.com, and HEREHouston.com, we provide comprehensive, credible insights into Texas's dynamic landscape.
