CNN is tracking extreme heat conditions for Americans each day. See where the risks are greatest — and where high temperature records might be broken.

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

Dangerously hot conditions, with heat index values up to 110 degrees, are expected, according to the 5 On Your Side Weather Impact Team.

The coming week will bring weather extremes of almost every stripe to the U.S.: From a baking heat wave in the Midwest and Northeast to an unseasonable chilly start in the Pacific Northwest. And ...

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

Dangerous temperatures have been recorded in the US for weeks. Is the extreme heat coming to an end soon? Monsoon season may bring relief to heat-strained regions.

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 ...

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.

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

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.

Over the next week, tens of millions of Americans will be at risk of severe weather as a colossal storm marches across the country, threatening hurricane-force winds, major flooding, blizzard ...