Flash Flood Warning Hits San Antonio Amidst Heavy Storms

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A Flash Flood Warning has been issued for San Antonio and surrounding areas until 5 a.m. Monday as intense storms sweep through the region, causing heavy downpours and creating hazardous travel conditions. The warning, issued by the National Weather Service (NWS), encompasses parts of Bexar, Comal, Medina, and Atascosa counties, affecting more than 1.8 million people.

NWS officials reported around midnight Sunday that some areas had already experienced two inches of rainfall, with an additional one and a half to two inches possible by 10 a.m. Monday. Cities east of San Antonio are expected to bear the brunt of even more rain.

As a result of the heavy rainfall, over 20 roads in Bexar County were closed as of 1 a.m., primarily on the north side, due to flooding concerns. CPS Energy crews were also actively responding to overnight power outages, with more than 2,000 customers without power as of 1:15 a.m.

This weather event marks the beginning of what is anticipated to be a very wet week for the typically dry south-central Texas region. Most of Bexar County has been grappling with exceptional or extreme drought conditions for over a year, as indicated by the U.S. Drought Monitor.

The forecast suggests moderate to strong chances of rain throughout the week, accompanied by relatively warmer temperatures following the previous week’s cold snap. This indicates that the potential for flooding may persist beyond the expiration of the Flash Flood Warning on Monday morning.

Road Closures and Power Outages

The impact of the heavy storms is evident in the closure of numerous roads, with more than 20 in Bexar County shut down due to flooding concerns, particularly on the north side. CPS Energy crews are on high alert, responding to power outages that have left over 2,000 customers without electricity as of 1:15 a.m.

Ongoing Weather Situation

This weather event is continually developing, with authorities advising residents to stay updated on the latest information. Road closures, power outages, and other real-time updates can be monitored through dedicated platforms, including live radar feeds and maps displaying road closures and power outages.

Weather Safety Reminders

Severe weather conditions can pose various risks, making it crucial for residents to stay informed and take necessary precautions. Understanding one’s location on a map, differentiating between a watch and a warning, and identifying safe locations during severe weather are essential elements of weather safety.

The ongoing storms highlight the potential for flash floods, a significant concern in areas with a history of major flood events. Residents are reminded to avoid floodwaters and follow safety guidelines. The risk of flooding may persist beyond the immediate severe weather event, emphasizing the importance of preparedness and caution.


As South Texas faces a rare spell of heavy rainfall amidst prolonged drought conditions, staying informed and prepared is crucial for residents. The Flash Flood Warning serves as a reminder to remain vigilant and take necessary steps to ensure personal safety amidst challenging weather conditions.

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