A Heat Advisory is in effect from noon to 9 pm Thursday. Expect heat index values up to 107 with temperatures of 99 to 103.

The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. High ...

How low should you set your thermostat for as record-breaking heat sweeps over the country? Here's what experts and other ...

With a stretch of VERY hot weather ahead for the rest of this month into August, it is a good idea to look at how we measure ...

A heat advisory for Florida's Treasure Coast is in effect from noon through 6 p.m., with heat index values from 109 to 112 ...

All of Florida will be under heat advisories Monday, July 21, as a heat dome spreads from the Ohio and Mississippi valleys.

Temperatures in Milwaukee could reach as high as 94 degrees July 23 with a heat index of 105 degrees, and the heat is likely ...

You may want to make sure your air conditioning is working. Columbus, and a sizable chunk of the nation, is in for a scorcher ...

A Heat Advisory is in effect for all of Southeast Wisconsin from 10 a.m. Wednesday, July 23, to 7 p.m. Thursday, July 24.

Brevard County experienced a heat advisory with a heat index as high as 112 degrees Fahrenheit on July 21. While temperatures ...

A heat advisory goes into effect Thursday for parts of Connecticut where heat index values will soar past 100 degrees on ...

Mississippi is seeing extreme heat this summer. Energy experts offer tips to keep your home cool, and save on electric bills ...