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

A heat advisory goes into effect Thursday for parts of Connecticut where heat index values will soar past 100 degrees on ...

Advisories are in place for steamy temperatures in the southern half of lower Michigan. Lansing will see 90-degree air ...

The heat dome won't dissipate soon. Dangerous heat is expected across parts of the Central and Southeast. through July, the weather service says. High temperatures will reach 100 degrees from Texas to ...

The National Weather Service has issued a heat advisory for parts of Massachusetts starting Thursday, July 24, and Friday, ...

The heat is rising in Coshocton County. The National Weather Service has issued a hazardous weather outlook warning of ...

Northeast Ohio is about to crank up the heat, with dangerous conditions expected Thursday as both temperatures and humidity ...

The National Weather Service has issued an extreme heat advisory throughout Metro Detroit for Thursday as persistent high temperatures and humidity in the southeastern United States are expected to ...

A tropical system will bring widespread showers and thunderstorms along the Interstate 10 corridor over the next couple of ...

Extreme heat will blanket the Chicago area starting Wednesday, with heat index readings expected to be over 100.

The National Weather Service has issued extreme heat warnings and heat advisories for regions of Louisiana. What to know about the heat index.