In photos: Millions without power as major winter storm lashes U.S.

Over 150 million Americans are under winter storm warnings, as a subfreezing cold snap sweeps across the U.S., bringing with it heavy snow and dangerous, icy conditions.

The big picture: Hundreds of flights have been canceled and millions were without power across the U.S. Monday. Controlled outages were scheduled to take place in 14 central states to prevent uncontrolled cuts amid record freezing conditions. At least two people have died in Texas during the storm.

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Another bout of significant winter weather is slated for Tuesday through Thursday across portions of the South, Lower to Mid Mississippi Valley, and Lower Ohio Valley. pic.twitter.com/apzv1SGNMG

— NWS Weather Prediction Center (@NWSWPC) February 15, 2021

People push a car out of the snow in Austin, Texas. Photo: Montinique Monroe/Getty Images

A man sleds down a snow-covered hill in Houston, Texas. Photo: Mark Felix/AFP /AFP via Getty Images

The scene at a restaurant on New York City's Upper West Side. Another wintry storm is forecast to hit the East Coast by the week's end. Photo: Noam Galai/Getty Images

The scene in a Seattle, Washington, street Feb. 13. Photo: David Ryder/Getty Images

Snow-clearing in Springfield, Pennsylvania. Photo: Pete Bannan/MediaNews Group/Daily Times Images

City workers use snow shovels to clear ice off of the sidewalk in Louisville, Kentucky. Photo: Jon Cherry/Getty Images

Icicles form outside the U.S. Capitol in Washington, D.C. Photo: Bill Clark/CQ-Roll Call, Inc via Getty Images

Editor's note: This article has been updated with more images and further details on the fallout from the storm system.