Well, Google is always so Johnny-On-The-Spot ... thanks in large part to StarbucksGossip.Com, Google Maps has a list of rumored Starbucks closings (you know, Starbucks already issued its press release that it's closing 600 stores but has failed to delineate which stores comprise that list):
click here for the Google Map of Rumored Starbucks Store Closings
Whew. None in San Antonio. Yet.