The Lotto jackpot will be worth over €15 million tonight.
It is the second highest jackpot since the National Lottery was launched 20 years ago.
The jackpot has rolled over 11 times since Saturday, March 15th last.
The National Lottery estimates that there will be 90 people playing every second, 5,500 will play every minute, with 330,000 people every hour, in the hours leading up to the close of ticket sales this evening.
