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

Heat advisories were in effect for a large portion of the East Coast from central Florida to Virginia through much of the weekend.

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.

The heat, combined with the high moisture content, is causing the heat index values to reach up to 107 degrees on Saturday afternoon.

A Heat Advisory is in effect until 9 p.m. Saturday, July 26, due to dangerous heat. High temperatures will reach the mid-90s, which is typical for this time of the year.

Welcome to the weekend! As we're going into the final days of July, it'll certainly feel like summer across Maryland. High temperatures will peak in the low 90s, which isn't out of the ordinary for this time of year however,

Still rather warm and a bit humid.Dangerous heat and humidity for the second half of the weekend into early next week, as new First Alert Weather Days begin. Daytime highs will return to the 90s Sunday and Monday and combined with high humidity values,

A stretch of dangerous heat is building across central Alabama, prompting Days Monday through Wednesday of next week. Temperatures will climb into the mid to upper 90s, but it’s the oppressive humidity that will push heat index values between 110 and 112 degrees each afternoon.