 In the days before the 4th, they visited the homes of teenagers who've made trouble in the past, warning them of the consequences if they misbehave. Protecting workers from the heat. That's straight ahead. Now WVT weather. A heat advisory starts this morning and lasts until 8 o'clock this evening. Hot and humid on this Saturday with a high headed to 94. That heat index may climb to 105, adding to the humidity.