Nearly 300 flights were canceled in Chicago Thursday as a snowstorm slammed communities across the Chicago area.
As of 8:22 p.m., O'Hare Airport reported 197 flight cancellations while Midway Airport had 101 canceled flights. Delays at both airports average 15 minutes.
A winter weather advisory took effect across the Chicago area beginning at 11 a.m.
The advisory continues through noon Friday for McHenry, Lake, DeKalb, Kane, Kankakee, DuPage, Cook, LaSalle, Kendall, Grundy and Will counties in Illinois, as well as Lake, Newton, Jasper and Porter counties in Indiana.
Under the weather advisory, McHenry, Lake, DeKalb, Kane, DuPage and northern and central Cook counties are all expected to see between 2 and 5 inches of accumulation.
Kankakee County in Illinois and Newton and Jasper Counties in northwest Indiana are projected to see between 3 and 5 inches, with higher amounts possible.
La Salle, Kendall, Grundy, southern Cook and Will counties in Illinois, as well as Lake and Porter counties in Indiana are forecast to see between 2 and 4 inches of accumulation, with isolated higher totals.