 We get those showers and thunderstorms. They'll mostly happen after about 7 a.m., says the National Weather Service. Partly sunny, high again near 94. Heat index is Wednesday as high as 103. Wednesday night, chance of showers and thunderstorms mostly cloudy, low around 77. Thursday, chance of showers and thunderstorms partly sunny, high near 90. At 7-11 with some fog, 78 degrees in Wilmington.