The Chicago area is bracing for a severe cold snap, with an Extreme Cold Watch announced, expecting wind chills to plummet as low as -35 degrees below zero. As winter weather unfolds, light snow is expected to transition to dangerously cold conditions, prompting warnings for possible frostbite within minutes of exposure. Residents should prepare for multiple rounds of winter weather, including snow that could affect commutes, followed by a brutal drop in temperatures. Central Illinois is also under similar cold weather advisories, with reminders for safety in these frigid conditions.