Temperatures in Chicago are beginning to crater ...heading to -3°F or so by midday Tues. Midnight Wednesday morning temperature will determine if it is the coldest day in city history, right now set at -11°F. Note, temperatures fall to -22°F by 7 AM CST. Wind chills of -50°F

Temperatures in Chicago are beginning to crater ...heading to -3°F or so by midday Tues.

Midnight Wednesday morning temperature will determine if it is the coldest day in city history, right now set at -11°F. Note, temperatures fall to -22°F by 7 AM CST.

Wind chills of -50°F pic.twitter.com/DUM0py6QFe

— Ryan Maue (@RyanMaue) January 29, 2019