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

Three Democratic lawmakers have proposed legislation to classify extreme heat as a disaster, which would allow federal ...

"Dangerous heat and humidity ramp up today. Heat indices of 105-110F will affect most of the Mid-South over the next few days ...

Showers and thunderstorms with locally heavy rainfall could lead to flash flooding of urbanized and poor drainage areas, ...

The National Weather Service issued a heat advisory at 1:55 a.m. on Wednesday valid for Thursday between 10 a.m. and 8 p.m.

The heat advisory includes parts of Delaware, Pennsylvania, New York, Connecticut and New Jersey, where two people died in flooding.

The First Alert Weather Team is tracking scattered heavy storms moving inland Thursday evening before dissipating.