Heat wave threatens to melt some 4th of July plans

A heat wave is threatening to melt plans for America's 250th birthday, making parades and parties uncomfortable at best and downright dangerous at worst. At least 11 states are expecting temperatures above 100 degrees over the holiday weekend. Kris Van Cleave reports and Rob Marciano has the forecast. "CBS Evening News" delivers the day's most important stories, delivering context and depth to bring greater understanding to your world. Check local listings for "CBS Evening News" broadcast times. Subscribe to the "CBS Evening News" YouTube channel:    / cbseveningnews   Watch full episodes of "CBS Evening News": https://cbsnews.com/evening-news/full... Follow "CBS Evening News" on Instagram:   / cbseveningnews   Like "CBS Evening News" on Facebook:   / cbseveningnews   Follow "CBS Evening News" on X:   / cbseveningnews   Download the CBS News app: https://cbsnews.com/mobile/ Try Paramount+ free: https://paramountplus.com/?ftag=PPM-0... For video licensing inquiries, contact: [email protected]