CHARLESTON, S.C. (WCBD) - It’s July in the Lowcountry: expect hot temperatures, a high heat index values, and a chance for isolated showers or thunderstorms. A heat advisory is active for Dorchester County, Georgetown County, inland Berkeley County, inland Colleton County, and Williamsburg County from 11 a.m. to 8 p.m. due to high heat index [...] ...read more read less