PORTLAND, Ore. (NEWSnet/AP) — An Arctic blast will continue sweeping across the U.S. on Monday and linger through at least midweek.

National Weather Service said wind chill is expected to push temperatures 30 degrees below zero from the Northern Rockies to northern Kansas and into Iowa.

Arctic storms left at least four dead and cut electricity to tens of thousands in the Northwest. It brought snow to the South and walloped the Northeast with blizzard conditions.

New York Gov. Kathy Hochul, a Buffalo native, posted a video on X, formerly known as Twitter, showing near-whiteout conditions.

The weather service expects heavy lake-effect snow to push into upstate New York from Lake Erie, adding to the 1 to 2 feet of snow already blanketing the region. Snow fell at a rate of 2 inches per hour.

Sub-zero wind chill will grip much of the nation, plunging to 50 degrees below zero in Montana and the Dakotas.

"It takes a matter of minutes for frostbite to set in,” the South Dakota Department of Public Safety said Sunday, urging people to stay indoors.

As temperatures in Texas plunged, the state’s power grid operator appealed to residents to voluntarily conserve electricity due to the cold weather causing “record breaking demand” for energy.

Freezing rain is expected to pelt parts of the Southern Plains and Southern Appalachians.

In Oregon, more than 120,000 homes and businesses were without electricity, most of them in the Portland metro area, a day after high wind and a mix of snow and ice brought down trees and power lines.

Widespread power outages affecting tens of thousands were also reported Sunday in Michigan, New York, Pennsylvania and Wisconsin. In Nebraska, the Omaha Public Power District asked customers to conserve electricity to prevent outages.

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