The severe weather is expected to clear the Alamo City by 2 a.m. Monday.
BEXAR COUNTY, Texas — IMPACT DAYS: Sunday night to Monday morning (May 10-11)
Reason: Heavy rain, strong-to-severe thunderstorms
Active National Weather Service alerts
- Severe Thunderstorm Watch until 2 a.m. De Witt, Lavaca, Dimmit, Maverick and Karnes counties.
- Flood Advisory until 1:45 a.m. for Bexar County.
The breakdown
A line of storms sweeping through South-Central Texas briefly pummelled San Antonio overnight, bringing gusty winds, power outages and other hazards.
As of 10:10 p.m., more than 12,000 CPS Energy customers were without power as the severe weather sweeps through. By 10:40 p.m., the number had risen to more than 17,000. It fell to back under 10,000 by midnight.
Officials with the utility said earlier in the day that crews were “prepared to respond” to the impacts of severe weather. See the Outage Map here.
The city also warned about the potentially dangerous weather, telling residents to avoid windows, secure loose items and have a way to receive alerts. By about 11:45 p.m., the strongest weather began to exit to the east and southeast, though the heavy rain triggered a Flood Advisory in Bexar County that stayed in effect until 1:15 a.m.
Storms were expected to clear to the east of the Alamo City by 1-2 a.m. Monday.
The Storm Prediction Center previously issued Level 1-3 Risks for severe storms. San Antonio is in the Level 2 area.
Heavy rain started hitting Boerne around 9 p.m. before advancing to the Alamo City. Much of the county saw frequent lightning and heavy rain, with hail reported in the Alamo Ranch area.
Four-tenths of an inch of rain had fallen at San Antonio International Airport by midnight.
The heavy rain has also triggered some road closures in Bexar County. Find the latest closures here.
This is a developing weather event. Refresh the page for the latest updates.