As we enter August, the heat is on its way back to the area. The National Weather Service in St. Louis says that dangerous heat and humidity are likely to return to much of the area Tuesday thru Friday of this week. The anticipated heat index values for this area look to be around 100 or better each day. We’ll be in the upper 80s on Tuesday with a heat index of around 100 and then we are looking at temperatures in the lower 90s on Wednesday, Thursday and Friday. A break in the heat will come this upcoming weekend.