"There is high confidence that heat will reach levels that would affect anyone without sufficient cooling." Over 50 million Americans under heat advisory amid sweltering temperatures across South and Midwest: 'This level of heat can be deadly' first appeared on The Cool Down.

And, the extreme heat could increase the potential for your car to break down as well as create a power outage at home because of the increased load on the electrical grid. Do you know what to do to keep yourself cool and safe during extreme heat?

The National Weather Service office in Mobile, Alabama, issued a heat advisory in Escambia, Santa Rosa and Okaloosa counties between 10 a.m. and 7 p.m. Monday. Heat index values are forecast to reach as high as 109℉ in portions of south central and southwest Alabama, northwest Florida and southeast Mississippi.

NWS expects the heat value to go up to 110 degrees. The organization warns that hot temperatures, coupled with humidity, may cause heat illness. Precautionary measures provided by NWS include drinking plenty of water, staying out of the sun and staying in air-conditioned rooms.

The National Weather Service is using new heat alert terminology beginning this summer to improve public awareness and understanding of what the weather service says is the leading cause of weather-related deaths in the country,

The National Weather Service released a heat advisory at 10:42 p.m. on Monday in effect until Tuesday at 9 p.m. for Blount, Etowah, Calhoun, Cherokee, Jefferson, Shelby, St. Clair, Talladega, Chilton,

The Pensacola area is under a heat advisory for the second day in a row. A cluster of showers and thunderstorms will offer relief on Wednesday.

Heat index values could rise to 110-112 degrees, according to the National Weather Service. Higher rain chances later in the week could offer relief.