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. Residents endure a prolonged heatwave. Officials are responding to the challenges. Forecasts predict an approaching change. Lower temperatures is expected to arrive soon. This will mark the end of the current weather pattern.