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 ...

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

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

As a dangerous heat wave grips much of New York State, Governor Kathy Hochul has declared a state of emergency in 32 counties ...

Tens of millions of people across the Midwest and East are enduring another sweltering day of dangerously hot temperatures as ...

The National Weather Service issued an extreme heat warning for New Castle County lasting through June 25. See how hot ...