 Chance of showers and thunderstorms starting early Wednesday, partly sunny, high near 94. Once again, heat index is up in the low 100s, about 103 for Wednesday. Chance of showers and thunderstorms Wednesday night, mostly cloudy, low around 77. Thursday, chance of showers and thunderstorms partly sunny, high near 90. At 551, it's foggy, 76 degrees in Wilmington.