With a wind chill advisory temperature of minus eleven degrees, people walked briskly along Milwaukee Avenue, on one of the coldest days of the year so far in Chicago on Monday, January 21,2013. | Al Podgorski~Chicago Sun-Times

Maya Mabry, 3, waits with her grandmother Cynthia Mabry for a bus at Madison St. And Wood. | Rich Hein~Sun-Times

With a wind chill advisory temperature of minus eleven degrees, people walked briskly along Milwaukee Avenue, on one of the coldest days of the year so far in Chicago on Monday, January 21,2013. | Al Podgorski~Chicago Sun-Times

With a wind chill advisory temperature of minus eleven degrees, people walked briskly along Milwaukee Avenue, on one of the coldest days of the year so far in Chicago on Monday, January 21,2013. | Al Podgorski~Chicago Sun-Times

This dog sported a winter coat to cope with one of the coldest days of the year so far in Chicago on Monday, January 21, 2013 in Lincoln Park. | Al Podgorski~Chicago Sun-Times

With a wind chill advisory temperature of minus eleven degrees, a runner passes a water fountain in Lincoln Park on one of the coldest days of the year so far in Chicago on Monday, January 21,2013. | Al Podgorski~Chicago Sun-Times

With a wind chill advisory temperature of minus eleven degrees, a biker works her way up Damen Avenue in Chicago on Monday, January 21,2013. | Al Podgorski~Chicago Sun-Times

Nell Maludag, 27, of Chicago uses her mittens to keep her face warm as she walks on Randolph St. at Clark St. Monday, January 21, 2013. | Rich Hein~Sun-Times

Penelope Lafosse,5, tries to keep warm in her plastic "bubble" as she rides home from the Shedd Aquarium on the front of her Dad Rico's bike Monday, January 21, 2013. | Rich Hein~Sun-Times