The National Weather Service announced new warnings in "portions of northeast and northern Florida," saying that cold wind chills could lead to temperatures as low as 20 degrees Fahrenheit.

Note: Cities in the Space Coast of Florida, which is in Brevard County and measures 72 miles of coast, include Titusville, Mims, Port St. John, Merritt Island, Cocoa, Cocoa Beach, Melbourne, West ...

See map of counties under extreme heat warning and heat advisory. A huge chunk of Florida is under an extreme heat warning today, July 29, as temperatures and the heat index soar.