Chicago is bracing for a significant cold front that promises to bring substantial snowfall and plummeting temperatures. According to the National Weather Service, weekend highs will struggle to reach 30°F (-1°C), with snowfall commencing late Friday night and continuing through Saturday, potentially accumulating between 3 to 5 inches. The combination of snow and strong winds, with gusts reaching up to 25 mph, will create hazardous travel conditions due to blowing snow and reduced visibility.