What is the Heat Index?
The heat index is a calculated temperature value of how hot it feels, according to the air temperature and the amount of moisture in the air.
March 22, 2023
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Bird strikes American Airlines plane forcing an emergency landing
Dec 13, 2024Duke Lacrosse accuser admits to lying about rape case
Dec 13, 2024American freed and returning home after 7 months in Syrian prison
Dec 13, 2024Whiteout conditions causes significant travel disruptions in Great Lakes region
Dec 13, 2024Authorities investigate murder of American couple in western Mexico
Dec 13, 2024Gov. Phil Murphy directly asks Biden for assistance in addressing drones
Dec 13, 2024Former House Speaker Nancy Pelosi hospitalized in Luxembourg
Dec 13, 2024Luigi Mangione could waive extradition, DA Bragg says
Dec 13, 2024Over a dozen people hospitalized after 2 airboats collide in Florida
Dec 13, 2024Unpacking the latest assault charges against Sean 'Diddy' Combs
Dec 13, 2024UNICEF official on humanitarian aid needed for Syria
Dec 13, 2024'Multiple' drones spotted near military locations: Official
Dec 13, 2024CEO killing suspect not member of UnitedHealthcare, company says
Dec 13, 2024Massive snowstorm slams millions
Dec 13, 2024Brutal cold blankets eastern US
Dec 13, 2024Democratic National Committee to begin its rebuilding project
Dec 13, 2024McKinsey to pay $650 million over role in OxyContin epidemic
Dec 13, 2024US obesity rates drop for 1st time in a decade
Dec 13, 2024Iran the ‘big loser’ with changing Syria: International security expert
Dec 13, 2024Russia targets Ukrainian infrastructure with attack of missiles, drones
Dec 13, 2024Brother of Israeli hostage to speak at UN
Dec 13, 2024No shock with new ‘Diddy’ sexual assault allegations: Legal expert
Dec 13, 2024Selena’s killer eligible for parole in March
Dec 13, 2024Ex-wife, 4 others arrested in 'ambush' murder of California doctor
Dec 13, 2024FDA warns about imported cookware products that may leach lead
Dec 13, 2024Prosecutors take case against Luigi Mangione to grand jury
Dec 13, 2024Lawmakers demand answers over mysterious drone sightings
Dec 13, 2024Parents of missing American found in Syria speak out
Dec 13, 2024Never-before-seen Barbara Walters clip with JonBenet Ramsey’s parents
Dec 13, 2024Bird strike causes emergency landing on American Airlines flight
Dec 13, 2024
ABC News Live Presents
ABC News Live Presents
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Nov 25, 2024October 7th: The Race to Survive
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Oct 03, 2024The President and First Lady of Ukraine | Robin Roberts Reporting
Sep 25, 2024Maui Strong 808: Rising from the Ashes
Aug 08, 202410 Million Names
Jun 19, 2024Generation Swipe
May 23, 2024Amplified: Asian American Native Hawaiian Pacific Islander Voices
May 16, 2024The Power of Us: People, Climate and Our Future
Apr 25, 2024Trashed: The Secret Life of Plastic Exports
Apr 23, 2024Toll of War: The José Andrés Interview | Martha Raddatz Reports
Apr 08, 2024Fertility in America | Rebecca Jarvis Reporting
Mar 28, 2024One-on-One: A Conversation with Robin Roberts and Caitlin Clark
Mar 15, 2024After the Fall: A Conversation with Robin Roberts and Jenifer Lewis
Mar 12, 2024Prince Harry's Mission: Life, Family and Invictus Games
Feb 23, 2024Tackling Mental Health | Michael Strahan Reports
Feb 16, 2024Severed: Diabetes Denial and Mistrust
Feb 15, 2024Exodus: Global Migration
Jan 26, 2024Battle Cry: Fighting Assault in the Military
Dec 08, 2023Fallout: Two Nations Under Uranium
Nov 30, 2023The American Classroom
Nov 17, 2023Disaster Uninsured
Nov 16, 2023Hispanic Heritage Month: Entre Nos - 1st Gen
Sep 28, 2023Hispanic Heritage Month: Entre Nos – 2nd Gen
Oct 09, 2023Hip-hop at 50: The architect, the First Amendment and the fashion explosion
Aug 23, 2023Elliot Page: In His Own Words
Jun 19, 2023Culture Conversations - CC: AANHPI Heritage Month
May 25, 2023Trashed: The Secret Life of Plastic Recycling
May 24, 2023The Power of Water
Apr 20, 2023Tone Death: Loss & Hip-Hop
Mar 14, 2023
ABC News Specials on
Impact X Nightline: On the Brink
Dec 14, 2023Impact X Nightline: Unboxing Shein
Nov 27, 2023The Lady Bird Diaries
Nov 27, 2023Impact X Nightline: It's Britney
Nov 27, 2023Impact X Nightline: Natalee Holloway -- A Killer Confesses
Nov 27, 2023Impact X Nightline: Who Shot Tupac?
Nov 27, 2023Wild Crime
Oct 26, 2022Impact x Nightline
Oct 28, 2022Power Trip: Those Who Seek Power and Those Who Chase Them
Sep 27, 2022The Murders Before the Marathon
Sep 01, 2022The Ivana Trump Story: The First Wife
Jul 25, 2022Aftershock
Jul 18, 2022Mormon No More
Jun 22, 2022Leave No Trace: A Hidden History of the Boy Scouts
Jun 15, 2022Keeper of the Ashes: The Oklahoma Girl Scout Murders
May 20, 2022The Orphans of COVID: America's Hidden Toll
May 13, 2022Superstar: Patrick Swayze
Apr 14, 2022The Kardashians -- An ABC News Special
Apr 05, 202224 Months That Changed the World
Mar 30, 2022Have You Seen This Man?
Mar 22, 2022
