 News Talk 790, WNIS News Time 205. Here's your National Weather Service forecast. For the overnight, partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid-70s. Southwest winds around 5 mph. Sunday, partly sunny with a chance of showers and thunderstorms. Highs around 90. Northwest winds at 5 mph. Heat index up to 101. It's 79 in Norfolk, 80 on the peninsula, 80 in the Outer Banks.