Lottery players won big this weekend on tickets purchased in Iowa. A $2 million Powerball ticket sold in Ottumwa tops the list of new winners, followed by a $1 million Mega Millions ticket sold in Davenport and a Super 7s Progressive ticket sold in Cascade that's worth nearly $400,000. None of the prizes have been claimed as of Monday afternoon, according to the lottery's unclaimed prizes database. Prizes of more than $250,000 must be claimed at Iowa Lottery's headquarters, located at 13001 University Ave., in Clive. Officials encourage big winners to make an appointment. $2 million Powerball ticket sold in OttumwaLottery officials say someone who bought a ticket in Ottumwa for the Powerball drawing on Saturday, June 24, came within one number of winning $424 million. The ticket, purchased at Hy-Vee Fast & Fresh, 1027 N. Quincy Ave., matched the game's first five numbers (2, 38, 44, 50, 62) but missed the Powerball (19). That would've been worth $1 million, but the player added the Power Play option, which makes the prize $2 million. Nobody won the jackpot, so it will grow to an estimated $440 million in Monday's drawing. Powerball drawings are held each Monday, Wednesday and Saturday.$1 million Mega Millions ticket sold in DavenportA ticket purchased at Smokin’ Joe’s, 3120 Rockingham Road in Davenport, won $1 million in the Mega Millions drawing Friday, June 23. The ticket matched the game's first five numbers (13-62-65-67-69) but missed the Mega Ball (14). Nobody won Friday's jackpot, so it will be an estimated $343 million in Tuesday's drawing. Mega Millions drawings are held on Tuesdays and Fridays.Super 7s Progressive ticket worth nearly $400,000 sold in CascadeA player won $390,191 Sunday in the Super 7s Progressive InstaPlay game with a ticket purchased at Casey’s, 717 First Ave. E. in Cascade. According to lottery officials: "The Super 7s Progressive jackpot had been growing for more than two months. Before yesterday’s lucky strike, it was last won on April 4 with a ticket purchased in Marion."One unclaimed $1 million lottery prize will expire in September; 4 others worth six-figuresAccording to the Iowa Lottery, one unclaimed $1 million Mega Millions ticket will expire this year. Someone matched the first five numbers of the Sept. 6, 2022, drawing on a ticket purchased at Gateway Express in Ames. The winner has until Sept. 6, 2023, to claim the prize.Four other six-figure prizes won on lottery tickets purchased in Iowa are unclaimed as of June 26, 2023:A Powerball ticket that won $150,000 in the Oct. 29, 2022, drawing was purchased at Floyd Food & Fuel in Sioux City. Expires: Oct. 30, 2023.A Powerball ticket that won $150,000 in the Nov. 5, 2022, drawing was purchased at a Hy-Vee convenience store in Sheldon. Expires: Nov. 6, 2023. A Powerball ticket that won $100,000 in the Nov. 7, 2022, drawing was purchased at a Casey's store in Dubuque. Expires: Nov. 7, 2023.A Powerball ticket that won $100,000 in the June 12, 2023, drawing was purchased at a Casey's store in Creston. Expires: Dec. 11, 2023.Powerball winners in drawings before or on April 22, 2023, have 365 days to claim their respective prizes. Prizes in drawings on April 24, 2023, or after must be claimed within 180 days.Mega Millions winners in drawings before or on April 21, 2023, have 365 days to claim their prizes. Prizes in drawings on April 25, 2023, or after have 180 days.Iowa's biggest lottery jackpot winners2018: Lerynne West of Redfield, $343.9 million Powerball2012: The Shipping 20 (coworkers at Cedar Rapids Quaker Oats plant), $241 million Powerball2012: Brian and Mary Lohse of Bondurant, $202.1 million Powerball2006: Tim and Kellie Guderian of Fort Dodge, $200.8 million Powerball2006: Hugh Hawkins of Des Moines, $113.2 million Powerball