Very uncomfortable summer heat bears down in the coming days. High temperatures reached the upper 80s again today, but increasing humidity will made it feel much warmer than yesterday. WATCH HERE WATCH HEREWe've issued First Alert stamps for Thursday and Friday, since it's been a while since we've had this kind of summer heat and humidity. A heat advisory has been posted for much of southern New England from 11 a.m. Thursday through 8 p.m. Friday, when feels-like temps could get as high as 100 degrees in places. During the heat of the day from noon through 7 p.m. it may feel as warm as the upper 90s.