A Chill Over Chicagoland

Between January 19 and 24, 2025, a brutal cold snap hit Chicago. This satellite image captured a glimpse of the wintry aftermath. The first half of the cold spell saw the chilliest weather, according to the National Weather Service (NWS). On January 21, the air temperature in Chicago reached as low as minus 15 degrees Fahrenheit (minus 26 degrees Celsius). At the time, little to no snow covered the ground in Chicago, which NWS noted is uncommon amid sub-zero temperatures.