Most of Delaware is under an extreme heat warning as a heat wave brings the heat index to above 100 degrees. See when ...

The National Weather Service issued an extreme heat warning for a second day as the heat index surpasses 100. See how hot it will get in Delaware.

At 8:37 a.m. on Tuesday, the National Weather Service reported an air quality alert in effect until Wednesday at midnight for ...

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

Tuesday was a record-breaking day in Philadelphia: it’s the first 100-degree day in the city since July 2012. The entire ...

Intense heat will continue to grip the Philadelphia area on Tuesday with temperatures expected to exceed triple digits.

A heat advisory is issued within 12 hours of extreme heat conditions. Typically, the heat index will be above 100 degrees and ...

Passengers were stuck without air conditioning or electricity until a rescue locomotive was sent to pull passengers back ...

Sunday marked the second straight day of extreme heat across the Midwest and East Coast. Heat indexes on Sunday hit 103 F (39 ...

The City of Savannah and partners are making facilities available to help people stay cool as the heat index climbs, potentially hitting 109 degrees.

New Castle County will experience the worst of it and is under an extreme heat warning from the National Weather Service. The ...

According to data from the Delaware Environmental Observing System, the high temperature recorded on Monday in the county was 96.9 degrees in West Chester. The “low” high temperature was recorded ...