St. Patrick's Day is Monday, March 17, and chains such as Krispy Kreme and Burger King are offering deals and discounts to celebrate the holiday.

The Chicago River is once again glowing kelly green as the city opens its annual St. Patrick's Day celebrations. Thousands lined the river and packed bridges Saturday and erupted in cheers as members of the Chicago Journeymen Plumbers Union Local 130 sprayed dye into the water from boats,

While St. Patrick's Day isn't until Monday, Chicago's iconic tradition dyeing the river green is happening Saturday. Here is how to watch the event.