 An excessive heat warning will be in effect from 11 o'clock this morning until 8 p.m. this evening for the I-95 corridor. Southern Maryland, parts of Eastern Shore and Washington County, rest of the state will be under a heat advisory. Baltimore City remains under a Code Red extreme alert. And the National Weather Service has also issued an excessive heat warning for Hagerstown due to the heat index there that's expected to reach 108.