expected on sunday, this will become our all-time wettest month. all-time. i mean, a very significant weather record about to be set in philly. new york is not far behind either with 11 inches of rain so far this august. now, as far as severe weather goes this weekend, a slight risk of strong storms on saturday today near st. louis, central missouri, central illinois, and then on sunday heading through areas of new england all the way down through philadelphia and including new york city. you notice saturday is dry. looks beautiful and warm. on sunday all that stormy weather will return to areas of the northeast and mid-atlantic. the rest of the forecast for the country today, thunderstorms there from kansas city to che chicago, and the hot weather continues in texas. today should be 107 in dallas. back to you. >> oh, it's going to be a hot one. bill karins, thanks so were. an extraordinary turn of events in a murder case has captured worldwide attention and it began nearly 20 years ago with the shocking deaths of three boys. now the men who are convicted in the killings and who have always maintained their innocence are free. they were released from prison yesterday. nbc's pete williams reports on