TX Houston/Galveston TX Zone Forecast for Wednesday, September 27, 2017 _____ HGXZFPHGX FPUS54 KHGX 280558 ZFPHGX FPUS54 KHGX 280557 ZFPHGX Zone Forecast Product for Southeast Texas National Weather Service Houston/Galveston TX 1257 AM CDT Thu Sep 28 2017 TXZ211-280900- Austin- Including the cities of Bellville and Sealy 1257 AM CDT Thu Sep 28 2017 .REST OF TONIGHT...Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a slight chance of showers and isolated thunderstorms after midnight.