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 days of scorching conditions. Local authorities are addressing the conditions. Weather models indicate a shift in the pattern. Cooler air will likely arrive shortly. The streak should conclude with the extended warm spell.