EXTREME HEAT July 23, 2024 7:10 pm July 21, 2024 was the world's hottest day on record The hottest day ever recorded on the planet happened this past Sunday, July 21, coming in at 62.76 degrees Fahrenheit (17.09 degrees Celsius). US & World Videos 6:06 John Morales on Hurricane Helene's gigantic wind field and catastrophic storm surge 2:37 A look at Key West as Helene moves closer to Florida 0:36 3 in custody after Fort Lauderdale Police officers shot at during traffic stop 2:39 John Morales discusses Category 3 Hurricane Helene 0:28 Helene becomes a major Category 3 hurricane on path toward Florida