More than 200 million people across the United States face dangerous heat this week as a sprawling high-pressure system locks ...

Americans are celebrating 250 years of independence this Fourth of July with events including the largest fireworks display ...

Extremely dangerous heat, coupled with humidity, could result in heat index readings of 100 to 115 degrees from the Midwest ...

Multiple U.S. cities could feel hotter than California's Death Valley, known as the hottest place on Earth, on Friday.

Temperatures are skyrocketing for the third straight day across the Eastern US, but there’s at least three different ways to ...

The 10 counties with the lowest percentage of households with AC in the continental United States were all located in coastal ...

Meteorologists warn extreme heat and sudden storms could force cancellations or alter plans for communities nationwide.

Friday brings hot and humid weather to the Boston area and much of Massachusetts, with a StormTeam 5 Weather Alert in effect.

Except for the heat, it's looking good for a hurricane-free Fourth of July holiday. "We're dry the next couple days with a ...

The temperature reading in Central Park tied a record for July 2 set in 1966. Some 163 million people, from Missouri to Maine ...

The nation's hottest official temperature climbed to 107 degrees, while the coldest reading fell to 19 degrees. Here's where ...

Forecasters warned that heat index values could reach as high as 115 degrees in some areas, with the most severe conditions ...