Science April 20, 2022 6:20 am Why Does the Temperature Keep Dropping in the Morning? It’s all related to something called “radiational cooling.” Belen De Leon explains during Today in LA on Wedesday, April 20, 2022. US & World Videos 2:22 Investigators looking into possible military connection between New Orleans and Las Vegas incidents 3:04 FBI searches property of man responsible for New Orleans attack 2:38 136th Rose Parade rolls through Pasadena 1:55 Cybertruck explodes outside of Trump Hotel in Las Vegas 3:24 Increased security at Rose Bowl in Pasadena in wake of deadly truck attack