A heat dome is affecting much of the central and eastern U.S., creating high levels of heat and humidity. What to know in ...

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

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

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

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

Beachgoers cool off at Rehoboth Beach despite a heat advisory warning in Sussex County. Most of the northeastern quadrant of ...

A line of potentially severe storms has its eyes on the tri-state Sunday morning, providing a threat of strong winds and ...

The Chicago area is under an extreme heat warning until very late Monday night. Temperatures during the day Monday are ...

As a heat wave hits multiple U.S. states, some areas are have been placed under extreme heat watches and warnings.

We're hitting peak heat wave today, with a handful of Michigan counties forecast to be the hottest places in the state.

Extreme heat throughout the state has tens of thousands in southeastern Wisconsin batting the weather without electricity.

Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.