[img]http://d.yimg.com/a/p/ap/20100705/capt.d158deaccdbe4079aa80c8ad1aad3a59-d158deaccdbe4079aa80c8ad1aad3a59-0.jpg?x=130&y=86&q=85&sig=friz1y2rbEjFis5zt2Y6fg--[/img]AP - With a scorching holiday weekend in the rearview mirror, a real summer sizzle is about to wash over parts of the United States.