High temperatures across the Plains, Midwest, mid-Atlantic and Northeast are expected to hit at least 15 degrees above normal ...

Dozens of extreme heat advisories and flash flood warnings across the central and southeast U.S. have been issued by the National Weather Service.

It's time to get that air conditioner cranking ― temperatures are going to be roasting for residents living in the South. A heat wave is on its way to the Upstate next week, with temperatures ...

An extreme heat watch is forecasted for this coming week with temperatures hitting triple digits.

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

Dangerously hot conditions, with heat index values up to 110 degrees, are expected, a Weather Impact alert has been issued.

Experts say climate change is making extreme weather events more frequent and severe, but that our attitudes and actions ...

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the Northern Plains and unusual snow and ice in the Gulf Coast area.

A heat advisory remains in effect until 9pm this evening as most of West Tennessee has a heat index “feels like” temperature between 105-110° this afternoon. We are expecting another hot day on Friday ...

Extreme humidity and heat will affect about 265 million people across the country this week. Maps show where and when to ...

The U.S. is being slammed by extreme weather of all kinds this week, with frigid cold temperatures freezing the central states and catastrophic wildfires scorching California.