The advisory is in effect until 7 p.m. tonight for all of South Florida except coastal Collier and mainland Monroe counties.

The hot weather continues in Brevard with a 'major' heat risk as heat index climbs to triple digits. Any relief in sight?

The heat index is a measure of how hot it really feels on your body when relative humidity is factored in with the actual air ...

Knowing the difference between heat exhaustion and heat stroke could be the key to saving someone’s life. Here’s what you ...

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

At 12:11 a.m. on Tuesday, the National Weather Service issued an extreme heat warning valid between 11 a.m. and 9 p.m. for ...

The National Weather Service released an extreme heat warning at 2:32 p.m. on Tuesday in effect until 9 p.m. for Marion, ...

Orlando anticipates extreme heat with indices reaching 107 degrees, frequent lightning, and possible robust thunderstorms.

Humidity doesn’t just make you feel sticky and uncomfortable – it also creates extra dangerous conditions on hot days.

Cruising past a cornfield, you may not realize just how much moisture enters our atmosphere surrounding an area of farmland.

The agency said that "dangerously hot conditions," with afternoon temperatures up to 117 degrees would be possible in the ...

Central Florida is under a heat advisory on Friday, with temperatures expected to reach a heat index of 104 to 109 degrees.