Texas and Oklahoma face a fifth straight day of 100-degree weather. Wichita Falls and the Texoma region stay in the triple digits. People and officials there deal with the persistent heat. Relief will come soon. Forecasts show a cooling trend moving in. Temperatures should drop and end the extreme heat streak. The region endures days of scorching conditions. Local authorities are addressing the challenges. Forecasts predict an approaching change. Lower temperatures should push in shortly. The streak should conclude with the dangerous heat.