Posted by Today's Weather

Channel 5 (2:11) -- A heat advisory has been posted much of eastern Massachusetts and a pocket of the western part of the state. The advisory goes into effect at 8 a.m. Monday and lasts until 8 p.m. Tuesday. Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ Get more Boston news: http://www.wcvb.com Like us: https://www.facebook.com/wcvb5 Follow us: https://twitter.com/WCVB Instagram: https://www.instagram.com/wcvb5/