High temperatures and humidity are expected to produce potentially dangerous heat index values through Monday.

Dangerously hot temperatures and high humidity grip eastern Nebraska and western Iowa to end the weekend and start the week.

Environment Canada says a multi-day heat event for parts of Ontario and Quebec will begin on Sunday, with a humidex that will ...

Sunday is bringing sweltering conditions to much of eastern Virginia and northeastern North Carolina, with an Extreme Heat Warning in effect for Hampton Roads and surrounding areas, and a Heat ...

Bryan Kohberger declined to share his reason behind the horrific killings of the Idaho Four at his Wednesday, July 23, ...

Much of the U.S. is under extreme heat warnings or advisories while New York, Philadelphia and Washington could feel like 100 degrees or more.

The heat index will break 105 in many areas today, and will exceed 110 in some locations. Some storms will be possible by evening.

The National Weather Service released an updated extreme heat warning at 12:53 p.m. on Friday in effect until 9 p.m. for ...

It's always hot in the summer in the southeast, but even by the standards of the Carolinas, the steamy heat wave on tap for the region Saturday into t ...

Next week brings a threat of dangerously hot temperatures. We have already declared Monday, Tuesday, and Wednesday as First ...

The National Weather Service issued heat advisories for a large swath of the East Coast from central Florida to Virginia ...

An Extreme Heat Warning is in effect from Sunday 12pm to 8pm Sunday night for all Siouxland. The Extreme Heat Warning has ...