Chicago River Dyeing Returns March 14, 2026 | Everything You Need to Know Before You Go

One of Chicago’s Most Iconic St. Patrick’s Day Traditions Is Back

The annual dyeing of the Chicago River returns on Saturday, March 14, 2026, marking the start of one of the city’s most recognizable St. Patrick’s Day traditions. The event begins at 10:00 a.m., when boats operated by the Chicago Plumbers Union transform the river into its famous emerald green color, a spectacle that draws thousands of spectators each year.

The tradition dates back more than six decades and has become one of the most photographed seasonal events in Chicago, signaling the official start of St. Patrick’s Day weekend celebrations across the city.

Best Viewing Locations for the Chicago River Dyeing

Spectators planning to attend should arrive early, as viewing areas fill quickly well before the event begins.

The best places to watch include:

• Upper Wacker Drive between State Street and Columbus Drive

• Areas between Columbus Drive and Fairbanks Court for clear views of the boats and dyeing process

• Bridges overlooking the river near the downtown Loop area

These locations offer some of the most unobstructed views as crews move along the river releasing the environmentally safe dye.

Important Closures and What Visitors Should Know

Event organizers typically close portions of the lower riverwalk and surrounding areas to manage crowds and safety during the event. Lower Wacker access will be limited, so visitors should plan to watch from upper street levels instead.

Since the event is free and attracts large crowds, arriving at least one to two hours early is recommended for the best vantage points.

The green color usually lasts several hours, giving visitors plenty of time to enjoy the view and take photos before the river gradually returns to normal.

Why Chicago’s River Dyeing Is So Famous

Few cities celebrate St. Patrick’s Day quite like Chicago. The river dyeing tradition began in the early 1960s and has since evolved into a globally recognized event that kicks off the city’s holiday festivities.

Each year, the bright green river becomes the centerpiece of downtown celebrations, drawing both locals and visitors who gather along bridges and riverfront streets to watch the transformation.

The event also sets the tone for a full weekend of parades, festivals, and celebrations throughout Chicago.

Tips for the Best Experience

If you plan to attend, keep these tips in mind:

• Arrive early, prime viewing spots fill quickly

• Dress for cold early-spring weather along the river

• Expect street and pedestrian congestion near major bridges
  Plan transportation in advance, downtown traffic increases significantly

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