After a relatively comfortable July 4th, the extreme heat is returning to Massachusetts and the National Weather Service has issued a heat advisory because of how hot it will feel through Monday.The National Weather Service has issued a heat advisory for most of southern New England through Monday at 8 p.

At 12:43 p.m. on Friday, the National Weather Service released a heat advisory valid from Sunday 7 a.m. until Monday 8 p.m. for Northern Worcester and Southern Worcester as well as Franklin, Middlesex,

The National Weather Service has issued heat advisories for large portions of New York state today, warning of dangerous heat index values expected through the afternoon and early evening.