Chicago was hit by a burst of heavy snowfall on the morning of Tuesday, January 14, according to the National Weather Service (NWS).X user @ElegantDivasMan posted this video on Tuesday morning, showing pedestrians walking through the snow in what was described as downtown Chicago.The NWS said that after the snow stops, temperatures were expected to fall and wind chills were expected to plummet below zero. Credit: @ElegantDivasMan via Storyful