Fireball, the annual fundraising dance party weekend, is set for President’s Day Weekend, Feb. 18-20. Events include ‘Ignition’ at House of Blues and The Great Chicago Fireball’ at Union Station. Tickets, weekend passes, and VIP passes are available at Web site www.thefireball.com and also at www.ticketweb.com; people can also call (800) 965-4827.