The freeze will affect millions across the U.S., with frost and freeze alerts in place for areas from Oklahoma to Alabama and the Carolinas. Cities like Tulsa, Little Rock, Birmingham, Atlanta, and Raleigh are under advisories. Wind chill temperatures are expected to drop to 24°F (-4°C) in Chicago and 31°F (-1°C) in Atlanta. On the West Coast, heavy rain and snow could lead to hazardous travel conditions, while Southeast Texas and western Louisiana face risks of urban flooding due to heavy rainfall. Coastal areas in New Jersey may experience minor flooding (NBC News, 2026-11-13).