The National Weather Service issued heat advisories for a large swath of the East Coast through much of the weekend.

The National Weather Service issued heat advisories for a large swath of the East Coast from central Florida to Virginia through much of the weekend. Highs in the upper 90s F (mid 30s C) were forecast for central Florida,

Around 100 million people are under heat alerts Friday, from coastal Maine to South Carolina and across much of the Midwest and lower Ohio Valley into the Mid-South. Additional alerts are likely in the Southeast as temperatures rise in coming days.

A heat advisory will be in effect Friday. While thunderstorms will cool things down for the weekend, the extreme heat will return early next week.

A heat advisory goes into effect Thursday for parts of Connecticut where heat index values will soar past 100 degrees on Friday.