The National Weather Service says heat indices as high as 114 are possible in Panama City and issued an advisory. Meanwhile an Atlantic system brews.

Terrebonne and Lafourche Parishes are currently under a Heat Advisory, as the local heat index is forecast to skyrocket into ...

The city of Joplin will offer shelter from the heat at cooling centers during extreme temperatures, and residents are advised to stay hydrated, avoid direct sun exposure, and check on pets and ...

Heat and humidity will once again smother the eastern half of the country this week, pushing the heat index to dangerous levels for tens of millions of people. In the Midwest, the humidity will be ...

The National Weather Service office in Mobile, Alabama, issued a heat advisory in Escambia, Santa Rosa and Okaloosa counties ...

Heat-related alerts had been issued for 18 states as of Monday, with the National Weather Service (NWS) urging residents to take steps to reduce the risk of heat illnesses.

The heat index may reach up to 111 degrees Fahrenheit Monday, and Savannah is under a heat advisory from 12 p.m. to 8 p.m.

Canadian wildfire smoke has returned to parts of Wisconsin and may last through Monday morning. Then comes more extreme heat and humidity.

San Antonio is set to experience intense heat, with temperatures nearing 100 degrees and high heat index values.

The National Weather Service is forecasting another heat wave for the Stark County area this week. Here's how high you can expect temperatures to go.

A heat advisory will be in effect from 11 a.m. Monday until 9 p.m. Tuesday for the following counties in central Alabama: ...