Oops: It was "101,105 heat index" in McKinney on Thursday

More than 100 million brace for dangerous heat wave across US

Videocast: Highest heat index readings expected today

What's behind recent extreme heat events and record high temperatures

Heat Wave Continues Across Southern US As Over 30 Million To Experience 100+ Degree Heat Index

Heat dome sends temperatures soaring for 73 million in US

Heat index, explained: Will temperatures continue to rise in the U.S.? | Just The FAQs

Heat index hits triple digits as Chicagoland endures one of the hottest days of the year

Weather Impact: Heat index values as high as 110° today

Major heat wave sends temperatures skyrocketing in eastern half of U.S.

Scorching temperatures break record as Phoenix residents adapt to heat | USA TODAY

ABC24's Heat Index risk

High heat index, 30% chance of rain is in Monday forecast

Millions across the U.S. brace for record-breaking temperatures as heat dome travels

Eastern US Facing Hottest Temperatures In Years From Dayslong Life-Threatening Heat Wave

DFW weather: What exactly is the heat index? And a look at the forecast

Summer Scorcher | Massive Heat Dome Covers Central U.S.

Dangerous heat index across Central Alabama

DFW Weather: Heat index values are as high as 120 degrees in parts of North Texas

New study finds Texas heat index could reach 125 degrees over next 30 years | KVUE