Chicago's sub-zero commute of Jan. 7
A windchill warning for the entire city is in affect as the city prepares to commute this morning. Temperatures hovering around zero and below are expected for the 7 a.m. to 8 a.m. rush, according to the Tribune's Chicago Weather Center. We will be tracking social media for delays, problems, brave cold weather selfies and whatever else pops up as the city prepares to commute during the coldest day of winter yet.