Policy interventions to mitigate heat-related illness are needed based on the relationship between high HVI and severe stroke.

A string of high school football players died suddenly after training in sweltering heat, renewing calls for schools to do ...

A string of high school football players died suddenly after training in sweltering heat, renewing calls for schools to do ...

Knoxville experiences high humidity with a calm morning, but anticipates heat later; scattered thunderstorms are possible ...

Prepare for high temperatures throughout Oklahoma Friday afternoon, according to the National Weather Service.

Nashville is set to experience a hot week with highs near 93°F and heat indices approaching 98°F, says the NWS.

Heat is building back in, and heat index values are getting back into the triple-digits. Relief is on the way by the end of ...

Heat index values of 105 to 109 degrees are expected with hot temperatures and high humidity that could contribute to heat illnesses. Meteorologist Tony Pann said the atmosphere has plenty of ...

CBS News Texas meteorologists have issued weather alerts due to "feels-like" temperatures reaching up to 106 degrees.

A ridge of high pressure in mid-levels continues building northeast through Tuesday and as that expands, it increases the ...

The National Weather Service has declared a heat advisory for Palm Beach County until 6 p.m. today. The advisory, which ...

And it feels so much hotter and oppressive at times. Why? That's the heat index doing its thing. Here's how it works. The National Weather Service describes the heat index using the time-worn ...