Today: Mostly sunny, with a high near 88. North northeast wind 5 to 10 mph becoming east southeast.

Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. Southeast wind around 11 mph.

Very hot temperatures are expected to build over the region for Wednesday and Thursday. Afternoon heat index values will range from 102 to 108 degrees.