 News Talk 790, WNIS News Time, 1205. Here's your National Weather Service forecast for the overnight. Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Southwest winds at 5 to 10. Sunday, mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Southwest winds around 5 mph. Heat index up to 102. It's currently 84 in Norfolk, 83 on the peninsula, 82 in the Outer Banks.