DES MOINES, Iowa - The giant Powerball jackpot got even bigger Friday as officials raised the estimated payout to $635 million ahead of Saturday night's drawing.The grand prize was increased from an earlier estimate of $620 million, reflecting a surge in sales from players attracted by the potential payoff.
The more people who buy tickets, the larger the prize grows.EARLIER: Powerball jackpot soars to $620M after no top winner in Wednesday drawingThe jackpot is now the 10th largest ever won, though still far less than the record $1.586 billion prize set in 2016Powerball tickets await players at Cumberland Farms convenience store May 10, 2004 in Washington Crossing, Pennsylvania.