More than 1,600 flights into and out of Chicago were canceled Sunday. Airport crews clean snow at O’Hare International Airport. (Nam Y. Huh / Associated Press)
A family sleds on a hill in Horner Park in Chicago. (Nancy Stone / Chicago Tribune)
A snow-covered block in Elgin, Ill. (Stacey Wescott / Chicago Tribune)
Parents and children try to stay warm in Chicago. (Brian Cassella / Chicago Tribune)
A lone car in Streamwood, Ill. (Stacey Wescott / Chicago Tribune)
