(CNN) — Millions of people in the West are experiencing a dangerous and historic October heatwave with temperatures so extreme they’d be considered hot during the peak of summer. The heat has ...

By Mary Gilbert, CNN Meteorologist (CNN) — The United States has entered the peak of summer and a heat dome — sealing in all that hot, humid air — is making millions of people feel every bit ...

A “dangerous and deadly heat wave” is on the way for the Southwest through the weekend, the Phoenix National Weather Service warns. More than 30 million people are under heat alerts, and more ...

By Andrew Freedman and Mary Gilbert, CNN (CNN) — A dangerous round of early season extreme heat is on tap for parts of Texas this week in a prelude to what’s expected to be an abnormally hot ...

Parts of the East Coast will start to see some relief from the historically hot weather Wednesday, though it’ll be a slow start. Wednesday will still be very hot, but not quite as extreme for many.

By Tyler Ory, CNN (CNN) — The first of two rounds of extreme heat is underway for parts of the eastern half of the United States, the opening act for a potent and widespread heat dome that will ...

By Mary Gilbert, CNN Meteorologist (CNN) — Sauna-like conditions on Friday are threatening to break records in major Northeast cities during summer’s hottest month after dangerous heat peaked ...

It’s the hottest time of the year in the United States and another heat dome is about to make millions of people feel every bit of it.

CNN is developing a new mobile app that will allow weather fans to watch forecasts from the channel and follow significant climate events in real-time This article, CNN developing premium, mobile ...

Thousands of homes in Northern California wine country and central Oregon were under evacuation orders and warnings Sunday as firefighting crews battled wildfires in dry, hot weather.