The Centers for Disease Control and Prevention (CDC) says that extreme heat can lead to heat-related illnesses, especially for vulnerable populations.

An extreme heat warning and an extreme heat watch were issued by the National Weather Service in Jacksonville for July 28 and 29.

Good morning KELOLAND! A very hot forecast is ahead for KELOLAND with an extreme heat warning in effect this afternoon much of the east. We’ll talk more about that in moment, but those clouds on our Aberdeen are making for a nice skyline.

Extreme heat and humidity are expected to hammer the New York City area to start the week. We could see our second heat wave of the season, with three consecutive days above 90 degrees.CBS News New York's First Alert Weather team has issued a string of First Alert Weather Days due to the threat of intense heat.

The next few days are shaping up to be some of the hottest of the summer, prompting a heat advisory from the National Weather Service. The heat advisory is in effect for multiple counties in New York City,

A dangerous heat wave is set to grip Staten Island beginning Monday morning, with the National Weather Service issuing a heat advisory for Richmond County through Wednesday evening. Temperatures are expected to soar into the mid-90s,