According to the Illinois Lottery's Unclaimed Prizes site, someone picked up a winning Powerball ticket there on September 6, 2025. The Illinois Lottery gives winners a full year to come forward and claim their prize. That deadline is approaching for this winning ticket as it will be forfeited on September 6, 2026 which is getting closer as of today. What happens if no one claims this $100K Illinois Lottery prize? According to the Illinois Lottery, more than $700 million has been put in this fund by unpaid prizes over the years.