Labor Day sizzle: Extreme heat spreads across two-thirds of US this weekend

Labor Day weekend may mark the unofficial end to summer for many, but Mother Nature didn’t get the memo this year.

​CNN.com – RSS Channel Labor Day weekend may mark the unofficial end to summer for many, but Mother Nature didn’t get the memo this year. 

​Read More Labor Day weekend may mark the unofficial end to summer for many, but Mother Nature didn’t get the memo this year.