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.

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.

An extreme heat warning was issued by the National Weather Service for New Orleans and other coastal communities Monday. The ...

Extreme heat is expected to impact much of the middle, southern and eastern portions of the United States this week, though ...

Tampa, Fla., recorded 100 degrees for the first time this weekend as extreme heat settles across much of the region.

Dangerously hot and humid weather will persist across the Kansas City area, with heat index values expected to soar above 105 ...