Harford County is opening 11 cooling centers for those looking for a reprieve from the extreme heat in Maryland this week.

The National Weather Service issued an extreme heat warning for New Castle County 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 ...

Central Pennsylvania is experiencing a dangerous and record-breaking heat wave through Wednesday, with temperatures expected ...

An "extremely dangerous" tornado could hit a U.S. state on Sunday evening. The National Weather Service is warning of a ...

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

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

Severe weather is possible Tuesday and Wednesday, along with the extreme heat warning in western Pennsylvania.As promised, ...

A dangerous heat wave could break records in Massachusetts this week as temperatures climb well over 100 degrees.

A "heat dome" has developed on the East Coast that could send temperatures to 100 degrees in Boston this week. As a result, ...

NYC is under an excessive heat warning​ today, while Long Island and the Jersey coastline are under a heat advisory.

CHICAGO (WLS) -- The Chicago area will be undergoing another day of extreme heat Monday. A National Weather Service Extreme ...