1. Take a dip in Lake Michigan to raise money for charity at the Chicago Polar Plunge. It’s happening today at North Avenue Beach at 10am.
2. Check out an original comedy about one of the world’s biggest companies at PRIME DAY: An Amazonian Musical. You can catch it at the Annoyance Theatre at 8pm; tickets are $12.
3. The McCormick Tribune Ice Rink at Millennium Park is open through March 11, so get out to enjoy the wintertime attraction before it closes. It's open from noon to 9pm today and skate rentals are $12.
For more events, check in with Time Out throughout the day.