From ABC News -
A pre-Christmas, Midwest blizzard that is battering at least eight states in the middle of the nation could trip up travelers headed home for Christmas in the coming days.
Nearly 20 inches of snow have been reported in Colorado just west of Denver. Nebraska has reported 6-to-10 inches so far. Between 3 and 8 inches have accumulated in Iowa already and more is possible. Snow is falling 2 inches per hour in Wisconsin.
No planes were able to land at Iowa's Des Moines International airport. All flights were cancelled until at least 11:45 a.m.