 And heat index values up to 110. Any storms will draw to a close later this evening and into the overnight. Tomorrow we're looking at a cold front. Ahead of the front we're in the 90s. We have a heat advisory during the day. And then behind the front Thursday we're only in the 80s for high temperature. At this hour our heat index values are at 106 in Manassas and the district. 109 in Leesburg. It feels like 100 in Hagerstown.