The probability of heavy rain across parts of Oklahoma is prompting some high schools to alter their football schedules. According to News 9 Chief Meteorologist David Payne, showers and thunderstorms will be possible across western Oklahoma by late Thursday afternoon. Heavier rains arrive Friday and Saturday with widespread rain and storms that will last into Sunday. The threat for flooding is likely. Mother Nature might wreak havoc Friday night for #OKPreps football games. Changi...