An intense heat wave threatens millions of people across the Southeast with temperatures reaching 115 degrees through midweek.

New England is facing yet another steamy heat wave with dangerously high heat indexes of 95 to 100 degrees starting Monday and lasting through Wednesday. Heat advisories are in effect through ...

We’re in the middle of a heat wave as we finish July and move into August.

Here’s what a heat dome is, how it’s different from a heat wave and how hot it has to get for each region of Florida to issue a heat advisory.

The multi-year heat wave nicknamed ‘The Blob’ impacted thousands of kilometres of marine ecosystems from Alaska to Baja California.

A dangerous heat wave continues across a large part of the United States, with more than 130 million people under extreme heat watches and warnings from South Dakota to Florida.

Our late July heat wave peaks over the next few days with highs in the low to mid 90s, the heat index in the triple digits and a heat advisory in effect Monday afternoon through Wednesday.

SAVANNAH, Ga. (AP) — Residents in the Southeast U.S. are no strangers to heat in the summertime. But this week's sweltering hot weather set at least one record and has forecasters urging ...

It will turn sweltering for the first half of the workweek with a heat wave likely in Southern New England.

Scientists warn of more extreme temperatures both during the day and at night in Tennessee. Here's when we could see some relief.

With the ongoing heat wave, Tom Guenot, owner of TNT Heating and Cooling, said calls for service are high.