Moving south, Port St. Lucie, Naples and Cape Coral could see highs of 91, while Palm Beach was forecast for 87 degrees. Miami and Fort Lauderdale were forecast, respectively, for highs of 88 and 91 ...

In order to stay safe, people are urged to limit outdoor activities, stay hydrated, avoid alcohol, and wear light clothing.

It's time for the second heat dome of the summer season. Here's where it will be felt most, and how hot it will get.

The National Weather Service sent out millions of extreme heat warnings, heat watches and heat advisory alerts early Monday ...

You may want to make sure your air conditioning is working. Columbus, and a sizable chunk of the nation, is in for a scorcher ...

The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. High humidity slows sweating, the body's natural cooling system, making ...

“Thursday remains on track to be the hottest day of the week; a heat advisory will likely be needed as the heat index reaches ...

Salt Lake City will have sunny skies with highs in the low to mid-90s and mild temperatures through next week.

The National Weather Service in Boston has determined that strong microbursts did touch down in Beverly and near Springfield ...

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

Michigan is heating up this week. Two southwest counties are already under a heat advisory because of dangerous heat index ...

Dangerous currents are common in the Great Lakes, especially in Lake Michigan, where rip currents are especially dangerous ...