Chicago dropped to a low of around minus 23 (minus 30 Celsius), slightly above the city’s lowest-ever reading of minus 27 (minus 32 Celsius) from January 1985. Wind chills reportedly made it feel like minus 50 (minus 45 Celsius) or worse. Some isolated areas could see as low as minus 40 (minus 40 Celsius), according to the National Weather Service. In Detroit, more than two dozen water mains froze. Last year, 25 miles of water mains were replaced.

Source: Huffington Post January 31, 2019 05:15 UTC