A heat dome will bring dangerously hot and humid conditions to the eastern half of the United States next week in the region’s most widespread heat wave of the summer so far.

El Niño has officially begun, and it is forecast to intensify into a very strong or “Super” El Niño with major shifts in global weather patterns.

CNN is tracking extreme heat conditions for Americans each day. See where the risks are greatest — and where high US temperature records might be broken.

I know you don’t think you need another weather app. You already have too many – the default one on your phone, a radar app, a severe weather app and others that give you 47 data points before your ...