The estimated jackpot is now more than $520 million with a cash value of $317 million.
The Powerball jackpot has not been won since a lottery player in California claimed the nearly $700 million prize in October.
Saturday night's winning numbers were: 6-12-39-48-50-7
At least four tickets claimed a combined $5 million in prize money.
The next drawing is set for Monday night.
$244 million is also up for grabs in Tuesday's Mega Millions drawing.