 Chicago's northern and northwestern suburbs were particularly hard hit, where up to 15 inches (38 cm) of snow fell in McHenry and over a foot of snow fell over much of Lake County, Illinois, and northwestern Cook County.Snow fell at times at rates of over 1 to 2 inches (3 to 5 cm) throughout most of the Chicago area, and thundersnow was reported in several locations.Meanwhile, the city of Chicago only saw 6.2 inches (16 cm) of snow, thanks to warm air on the back side of the low which produced more of a slushy mixture and less snowfall.