1of3 San Antonio has the potential to see thunderstorm activity on Wednesday.Courtesy National Weather ServiceShow MoreShow Less 2of3 Spring weather is here and that means chances of severe weather will continue for the San Antonio area.Express-News file photoShow MoreShow Less 3of3 San Antonio has the potential to see thunderstorm activity late Wednesday, with more severe storms to the south of Pleasanton, according to the National Weather Service. Thunderstorm activity for San Antonio is possible late this afternoon through the evening. However, the highest threat for severe weather, including large hail and damaging winds, is currently forecasted for parts of Karnes, DeWitt and Lavaca counties.