 Sunday, a chance of showers and thunderstorms, and then likely more thunderstorm chances after 2 or 3 o'clock. Partly sunny skies with a high of 96. Heat index as high as 105. West wind returns, but eventually a cold front passes with cooler temperatures for your Monday. I'm 7 News. We're at Aldershore-Devons in the First Charlotte Weather Center. It's 74 degrees outside of our studios in Chevy Chase.