The National Weather Service/Jacksonville has issued a rare Extreme Heat Warning for inland portions of St. Johns County ...

Jacksonville, North, Northeast Florida: Dangerous heat today, with heat index of 108 to 115. Extreme heat warning and heat ...

The blistering heat and high humidity will continue into this week in Illinois, with heat advisories issued throughout the ...

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

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

Flooding could occur in parts of central Ohio with extreme heat likely to follow for much of the area south of Columbus.

The National Weather Service released an updated extreme heat warning at 12:53 p.m. on Friday in effect until 9 p.m. for ...

The advisory will affect most of North and East Texas and be in effect from noon to 9 p.m. It warns of an increased risk of ...

The National Weather Service office in Mobile, Alabama, issued a heat advisory in Escambia, Santa Rosa and Okaloosa counties ...

About half the country is under active heat advisories on Monday, affecting more than 198 million Americans, according to the National Weather Service . The extreme heat is expected in the Midwest, ...

Extreme heat warning issued for southeast Louisiana and southern Mississippi with heat index values up to 114.

A heat advisory and extreme heat warning will be in effect as hot and humid conditions hit Delaware today. See the weekend ...