Extreme heat warnings are in effect for parts of Arkansas, Missouri, Illinois, Kentucky, Tennessee, Mississippi and Louisiana.

With the summer heat settling in across Alabama, state health officials are sharing tips to help you understand the warning ...

With a heat wave forecasted to continue across Wisconsin this week, the American Heart Association is urging residents—especially those with existing heart conditions—to take precautions against the ...

With heat indices in the triple digits, the ADPH advises the public to be alert to the warning signs of those illnesses. Anyone exposed to high temperatures or extreme heat can experience symptoms ...

Heat-related alerts had been issued for 18 states as of Monday, with the National Weather Service (NWS) urging residents to ...

All of Florida will be under heat advisories Monday, July 21, as a heat dome spreads from the Ohio and Mississippi valleys. Here's what to know.

The combination of high temperatures and humidity is creating a significant health risk, and first responders are already seeing an increase in emergency calls.

Millions across the Midwest, South, and Northeast prepare for potential record-breaking temperatures this week as heat alerts are issued nationwide.

Whether it be heat exhaustion or heat stroke, quickly move the affected person to a cooler area and remove extra layers of clothing. Apply wet cloths or wet the skin with cool water. If someone is ...

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

The heat index could get as high as 111 in South Florida, with the strongest heat expected along the southern Gulf Coast.

Heat-related warnings from the National Weather Service (NWS) were in effect for parts of 11 states on Friday morning, with ...