A heat wave is currently affecting about 160 million people, according to the National Weather Service. Here's which states ...

The National Oceanic and Atmospheric Administration says people should start exercising “caution” when the heat index reaches ...

Following last week's heatwave, temperatures are continuing to stay hot and humid across the DMV. The DC Homeland Security & ...

It was very hot Saturday and definitely humid, yet it was possible to find enjoyment in the blue sky, the drifting clouds and ...

Sometimes the temperature outside feels warmer than it is, and there's a reason. Here's a breakdown of the heat index.

A heat dome is causing high temperatures across Tennessee, with heat advisories issued for much of the state. Heat-related ...

The National Weather Service in Raleigh issued an Extreme Heat Warning for Tuesday and Wednesday, saying that the heat index ...

Blazing heat returned to the Chicago area Thursday, with highs in the mid-90s and heat index values expected to top 100 ...

Highs in the mid 90s with a heat index near 105 today. "Pop up" showers/storms, mainly in the afternoon. More of the same ...