OMAHA, Neb.—A major winter storm threatened to blanket parts of the middle of the country with more than a foot of snow Monday, promising to disrupt travel and forcing the closure of some coronavirus testing sites.

Two people hold hands while walking south on Madison Street toward 27th Avenue in Bellevue, during a winter storm warning, Neb., on Jan. 25, 2021. Chris Machian/Omaha World-Herald via AP
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