A major snowstorm in the Midwest and Great Lakes brought winter to some Thanksgiving travelers, and forecasters said the northeast U.S. could get its own early winter storm next week.

Winter storm warnings and advisories extended from Montana to Ohio, the National Weather Service said. Forecasters warned there could be airport delays and slowed traffic with snow falling at more than an inch (2.5 centimeters) per hour in some areas.

The storm dumped more than 8 inches (20 centimeters) of snow on northern Iowa by Saturday morning, and at least that much was expected in Chicago, elsewhere in Illinois, and in Wisconsin, Indiana and Michigan.

Airports in Chicago and St. Louis reported delays of about an hour in the morning, according to FlightAware.com , as one of the busiest travel days c

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