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

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

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

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

The Philadelphia area is bracing for a scorching heatwave that will see temperatures reach the triple digits with added ...

With a heat wave expected to blanket Delaware in the coming days, the state’s Division of Public Health (DPH) is warning residents to take ...

Here's where to go during the heat wave in Kent, Sussex and New Castle counties if you don't have access to air conditioning.

The National Weather Service issued an extreme heat warning nearly all of Delaware lasting through June 25. See how hot ...

With a heat wave causing excessive heat warnings in Delaware, you'll hear a lot about the heat index this week. What to know ...

The Lehigh Valley and much of eastern Pennsylvania are under an extreme heat warning with temperatures near 100 degrees ...

An extreme heat warning was issued by the National Weather Service in Mount Holly at 11:03 a.m. on Monday, June 23.

It's oppressive outside today in Pennsylvania, as heat indices may near 110 degrees. When is relief on the way? Here's the ...