The South in July is always hot and humid, but Tennesseans get an extra does of heat with an incoming heat dome. What to know.

Millions of Americans are under weather advisories this week. See which major cities have heat, flood or storm advisories.

The National Weather Service issued Extreme Heat Watches and Flood Advisories throughout Illinois. Here's the forecast.

The National Weather Service issued Extreme Heat Watches and Flood Advisories throughout Illinois. Here's the forecast.

Temperatures are expected to return to normal for a bit. Chief Meteorologist Chris Justus tracks what you can expect this week.