A Wind Chill Advisory has been issued for parts of the Midwest due to expected significant temperature drops, leading to dangerously cold wind chills. The National Weather Service (NWS) has indicated that the advisory is in effect from late tonight through tomorrow morning. Wind chills may plummet to -20°F (-29°C) in certain areas, creating a substantial risk of frostbite and hypothermia for individuals exposed to the cold for extended periods. The advisory encompasses regions including northern Illinois, southern Wisconsin, and eastern Iowa. Residents are strongly encouraged to take necessary precautions to shield themselves from the extreme cold, as the combination of low temperatures and brisk winds will make conditions feel much colder than the actual air temperature.