For 2021, the decade long event is going virtual.
From Mar. 1-7 people can take the plunge any way they choose, from jumping in the snow to running through a sprinkler.
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The event raises money for Special Olympics Chicago/Special Children's Charities.
Chicago Polar Plunge goes virtual
More than 50 team members from First Midwest Bank decided to have a snowball fight Sunday and raised $30,000.
RELATED: Thousands turn out for 20th annual Chicago Polar Plunge
On Sunday Mar. 7 at 5 p.m., there will be a Virtual Meltdown Party where videos of plunges will be played and prizes will be handed out.
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There are many prizes for those who register, in addition to the annual costume contest and an award for most creative plunge.
Last year's event raised more than $2.2 million.