 News Talk 790 WNIS News Time 105. Here's your National Weather Service forecast. For the overnight, mostly cloudy with a slight chance of showers. Lows in the mid-70s. Southwest winds around 5 mph. Monday, partly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Southwest winds at 5 mph. Heat index up to 103. It's 79 in Norfolk, 79 on the peninsula, 78 in the Outer Banks.