TX Brownsville TX Zone Forecast for Saturday, December 16, 2017 _____ 473 FPUS54 KBRO 170957 ZFPBRO Zone Forecasts for Deep South Texas National Weather Service Brownsville TX 356 AM CST Sun Dec 17 2017 TXZ253-180300- Hidalgo- Including the cities of McAllen, Edinburg, Pharr, Mission, and Weslaco 356 AM CST Sun Dec 17 2017 .TODAY...Cloudy. Areas of fog in the morning. Highs in the lower 60s.