 Partly cloudy, warm and muggy overnight with lows ranging from 73 in the outlying suburbs to 80 downtown. A heat advisory for Tuesday afternoon. Partly cloudy, high temperatures near 97. The heat index up to 105. More hot, humid weather on Wednesday. Partly cloudy, 96. I'm meteorologist Tom Tasselmeyer on WBAL News Radio 1090 and FM 101.5.