https://www.cbsnews.com/chicago/news/extreme-cold-warning-chicago-illinois-weather/
An Extreme Cold Warning starts overnight as an Arctic front will bring the coldest weather the Chicago area has seen since 2019.
extreme cold warningchicago areatakeseffectovernight
https://www.cbsnews.com/chicago/video/chicago-weather-windy-frigid-extreme-cold-warning-takes-effect/
Partly cloudy, windy and frigid with an Extreme Cold Warning taking affect at 3 a.m. Lows around -11 with wind chills feeling anywhere from -30 to -40.
extreme cold warningchicagoweatherwindyfrigid