Philadelphia officially hit 100 degrees for the first time in 13 years. Here's what to know about the heat wave, power ...

More than 125 million Americans were under the highest level of extreme heat alerts during a wave of above-average ...

After one more sweltering day, North Jersey is expected to finally see a reprieve from a record-breaking heat wave to start ...

A heat index value as high as 105 is expected on June 26, according to officials with the National Weather Service in ...

The National Weather Service forecasts hot, mostly sunny conditions with a chance of thunderstorms in Atlanta.

Northern Ohio faces a muggy, stormy end to the week with potential showers, thunderstorms, and high heat indices.

Once the current heat wave is over, what kind of hot weather can South Carolina expect during the rest of summer?

An 'extreme heat watch' is in effect as the heat index is expected to skyrocket. Here's timing, updated heat index values, ...

After topping 90 degrees June 21 for the first time this year, temperatures in Indianapolis will continue to climb for the ...

The final day of a scorching heat wave in South-Central Pennsylvania also brings a chance of severe weather. The WGAL News 8 ...

A heat wave set to hit Indianapolis beginning June 21 will last for about a week, according to the National Weather Service's ...

Metro Detroit's heat wave is finally ending Tuesday, sparking the return of cooler conditions but also the return of ...