TX Lubbock TX Zone Forecast for Saturday, August 19, 2017 _____ 587 FPUS54 KLUB 200655 AAB ZFPLUB Zone Forecasts for the South Plains Area...UPDATED National Weather Service Lubbock TX 155 AM CDT Sun Aug 20 2017 TXZ035-200915- Lubbock- Including the city of Lubbock 155 AM CDT Sun Aug 20 2017 .OVERNIGHT...Mostly cloudy with scattered thunderstorms. Lows around 70. South winds 5 to 10 mph.