• Extreme Cold Warning in effect for Chicago area from 3 a.m. to noon on Friday, with temperatures expected to drop to -7°F and wind chills reaching -30 to -40°F.
• Chicago Public Schools and other institutions closed due to the severe cold; residents urged to take precautions against hypothermia and frostbite.
• City conducting annual count of unhoused individuals, providing shelter and resources amidst the extreme weather conditions.