CCTV — A severe cold wave has hit the United States Midwest, including Illinois, Wisconsin and Minnesota, drastically lowering temperatures across the region. Chicago, the capital of Illinois, experienced its lowest temperature of 23 degrees Celsius on Dec 18, which almost matched the city’s record low temperature of 23.3 degrees Celsius, that happened on the same day in 1983. In order to ensure road safety in the region, Illinois sent more than 1,700 snow sweepers […]