Grab your tickets and see if you're the game's newest millionaire. Mega Millions, Powerball: What to do if you win the Powerball or Mega Millions jackpot Winning Mega Millions ...

The Powerball jackpot has risen to $643 million ahead of Wednesday night's drawing, the largest grand prize in over a year, Powerball says. If a player wins the drawing at 10:59 p.m. ET on Aug. 20, ...