Multiple states are under extreme heat warnings, advisories or watches on July 23, according to the National Weather Service.

The storms could be accompanied by hail or damaging winds and have the highest chance of forming on Tuesday evening.

A huge chunk of Florida is under an extreme heat warning today, July 29, as temperatures and the heat index soar. Some areas could see the heat index hit 115 today as above-average high temperatures ...

Severe thunderstorms could continue into July 29, bringing havoc to morning commutes in Chicago, Milwaukee and Indianapolis.

On Saturday at 3:02 p.m. the National Weather Service reported an updated air quality alert in effect until Sunday at ...

About half the country is under active heat advisories on Monday, affecting more than 198 million Americans, according to the National Weather Service . The extreme heat is expected in the Midwest, ...

While Texas bakes under sweltering conditions, it's far from alone. Millions are under threat of extreme heat this week.

The National Weather Service reported an air quality alert at 1:14 p.m. on Saturday in effect until Sunday at 1:15 p.m. for ...

The Storms Prediction Center has placed portions of our entire area in a "slight" risk, or level 2. The SPC also has ...

National Weather Service forecasters also warned of a "handful" of strong to severe thunderstorms on Friday afternoon.

A brewing low-pressure system near Florida’s coast could drench Jacksonville with heavy rain and storms, raising the risk of ...

The Centers for Disease Control and Prevention (CDC) says that extreme heat can lead to heat-related illnesses, especially for vulnerable populations.