There was no winner in Saturday night's Powerball drawing.
The jackpot has now reached a record high.
The $325-million prize gets rolled over to the next drawing.
Lottery officials say the jackpot for Wednesday night will be about $425-million, which the biggest ever for Powerball.
The cash value of that prize would be about $278-million after taxes.
Wednesday's jackpot could go even higher if sales increase during the next few days.