Utility crews worked to restore power Sunday to thousands of people in Wisconsin, the consequence of a weekend storm in the Great Lakes region that brought down power lines, while a wintry mix of rain and snow developed in the Northeast.

The airport in Des Moines, Iowa, remained closed Sunday morning, a major travel day at the end of the Thanksgiving holiday. A Delta Connection flight from Detroit slid off an icy runway Saturday night. Authorities said no injuries were reported, and passengers were transported to the terminal by bus.

Hundreds of churches in western Michigan told worshippers to stay home or watch services online. Up to 12 inches (about 30 centimeters) of snow has fallen since Saturday in areas close to Lake Michigan.

Elsewhere in Iowa, gusty winds Saturday were blowing s

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