The New York City area is expected to be hit with extreme heat over the next few days. Summer officially arrived Friday night, and it's coming in with a vengeance. The humidity makes a return this weekend,

The city said it plans to operate cooling centers, but beware that many of them are only open on weekdays. In that case, libraries, park district buildings, and police stations are some spots where people can find some relief over the weekend.

A large heat dome will dominate the weather pattern across the eastern two-thirds of the nation into late June and will produce more than record-smashing temperatures, as severe thunderstorms will continue.

What We’re Tracking After a humid and mild night last night with lows in the upper 70s to low 80s, today will be almost a repeat of yesterday. Summertime heat made itself known on the first day of summer with heat index values reaching up to 106°,