 From the Seascape Yardguard Weather Center. A heat advisory in effect till 8 p.m. this evening, where it's going to be humid with increasing clouds and a passing shower late, low 73. A morning shower tomorrow, then breezy, humid, with times of sun and clouds, high 83. I'm WPRO AccuWeather's Ruth O'Brien. AccuWeather, on the voice of Southern New England. News Talk, 99.7 FM, NAM 630, WPRO.