 News Talk 790, WNIS News Time, 205. Here's your National Weather Service forecast. A heat advisory in effect from 11 a.m. to 6 p.m. Sunday. For the overnight, partly cloudy, lows in the upper 70s, south winds at 10 to 15. Sunday, partly sunny with showers and thunderstorms likely, highs in the mid-90s. Southwest winds around 10 mph with gusts up to 20. Heat index up to 107.