Millions across the Midwest, South, and Northeast prepare for potential record-breaking temperatures this week as heat alerts ...

Around 170 million Americans from Nebraska to the Northeast are experiencing extremely warm temperatures due to an ongoing ...

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

New York City broke a record Tuesday afternoon, hitting 100 degrees Fahrenheit at La Guardia Airport. Tampa, Florida, which ...

The heat index, or how it feels with humidity factored in, will rise into the triple digits for millions as the hot dome of ...

The National Weather Service already has issued extreme heat warnings, watches and advisories across a swath of the Midwest ...

Almost 85 million Americans from South Dakota to Texas and North Carolina to Florida are already under extreme heat warnings, ...

As parts of the Midwest continued to experience catastrophic flooding overnight and into Monday, dangerous heat and humidity ...

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

Dozens of records could fall across the South as punishing heat continues to target the region while a pattern change is set ...

Southeastern states are seeing high temperatures again Thursday while the Northeast and Midwest get a break from the heat ...

Extreme heat is expected to impact much of the middle, southern and eastern portions of the United States this week, though ...