A shift in the polar vortex earlier this spring is helping to set the stage for repeated chilly stretches across the central and eastern United States in the weeks ahead, with below-average days likely to outnumber warmer ones. #forecast #cold #frost #freeze Households, schools and businesses in the Midwest and Northeast may need to run heat on some days in the weeks ahead—when many typically switch to air conditioning and shut down furnaces for the summer. The upcoming chill may make outdoor spring sports activities uncomfortable for some. WATCH LIVE: bit.ly/3PnPCkN READ MORE: bit.ly/48zWFAT » Subscribe now for more videos from AccuWeather: bit.ly/2TQgT0O Download the AccuWeather app: » iOS: apple.co/3gwaSnL » Android: bit.ly/3xpmwGw » AccuWeather is the world’s most accurate source of weather. But don’t just take our word for it. Find out how we make a difference in the lives of more than 1.5 billion people by people who care about the we...