Chicago is currently experiencing a noticeable chill as it transitions into a cloudy Sunday night. According to CBS News, the weather has taken a turn, bringing colder temperatures that are impacting various local activities and events. The city is preparing for a warmup later in the week, which may provide some relief from the current cold conditions. This change in weather is particularly affecting outdoor events, including the Chinese Lunar New Year festivities in Chinatown, which are continuing despite the cold.