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Winter storm causes over 1 million power outages, traps drivers in cars and delays travel nationwide

A brutal winter storm closed interstate highways from Arizona to Wyoming Wednesday, trapped drivers in cars, knocked out power to hundreds of thousands of people and prompted the first blizzard warning in Southern California in decades — and the worst won't be over for several days.

Few places were untouched by the wild weather, including some at the opposite extreme: long-standing record highs were broken in cities in the Midwest, mid-Atlantic and Southeast.

Outages became increasingly widespread overnight. By Thursday afternoon,, which tracks utility outages, showed at least 1 million customers across the U.S. had lost power. Michigan continued to record the vast majority of electrical outages, with more than 811,000 customers without power throughout the state, according to 

The tracker reported more than 84,770 additional outages were in Illinois, more than 58,000 in Wisconsin, more than 41,000 in California and more than 21,000 in Oregon. Nearly 30,000 power outages had been reported in New York earlier on Thursday.

Minnesota winter snowstorm, February 2023
Luis Lara clears snow off of sidewalks on Feb. 22, 2023, in downtown Minneapolis, Minnesota. Alex Kormann/Star Tribune via Getty Images

The wintry mix hit hard in the northern U.S., closing schools, offices, even shutting down the Minnesota Legislature.

Travel has been difficult. Airlines delayed or canceled more than 4,200 U.S. flights by Thursday afternoon — up from about 2,000 in the morning — according to the tracking service FlightAware. More than 1,600 U.S. flight cancellations were also reported on Wednesday, when another 5,900-plus flights were delayed across the country. 

At Denver International Airport, Taylor Dotson, her husband, Reggie, and their 4-year-old daughter, Raegan, faced a two-hour flight delay to Nashville on their way home to Belvidere, Tennessee.

Reggie Dotson was in Denver to interview for a job as an airline pilot.

"I think that's kind of funny that we've experienced these types of delays when that's what he's looking into getting into now as a career," Taylor Dotson said.

The roads were just as bad.

Colorado Weather
Motorists move along the northbound lanes of Interstate 25 near the Air Force Academy after a winter storm packing heavy snow and single-digit temperatures swept over the intermountain West Wednesday, Feb. 22, 2023, in Colorado Springs, Colo. David Zalubowski/AP

In Wyoming, rescuers tried to reach people stranded in vehicles but high winds and drifting snow created a "near-impossible situation" for them, said Sgt. Jeremy Beck of the Wyoming Highway Patrol.

"They know their locations, it's just hard for them to get them," he said.

Wyoming's Transportation Department posted on social media that roads across much of the southern part of the state were impassable.

In the Pacific Northwest, high winds and heavy snow in the Cascade Mountains prevented search teams from reaching the bodies of three climbers killed in an avalanche on Washington's Colchuck Peak over the weekend. Two experts from the Northwest Avalanche Center were hiking to the scene Wednesday to determine if conditions might permit a recovery attempt later this week.

Powerful winds were the biggest problem in California, toppling trees and power lines. By Wednesday evening, more than 42,000 customers in the state were without electricity, according to

A 1-year-old child was critically injured Tuesday evening when a redwood crashed onto a home in Boulder Creek, a community in the Santa Cruz Mountains south of San Francisco, KTVU reported.

For the first time since 1989, a blizzard warning was issued for the mountains of Los Angeles, Ventura and Santa Barbara counties, effective from 4 a.m. Thursday to 4 p.m. Saturday, the National Weather Service said.

"Nearly the entire population of CA will be able to see snow from some vantage point later this week if they look in the right direction (i.e., toward the highest hills in vicinity)," UCLA climate scientist Daniel Swain tweeted.

A more than 200-mile stretch of Interstate 40 from central Arizona to the New Mexico line closed due to snow, rain and wind gusts of up to 80 mph. More than 8,000 customers were without power in Arizona.

In the northern U.S. — a region accustomed to heavy snow — the snowfall could be significant. More than 18 inches may pile up in parts of Minnesota and Wisconsin, the National Weather Service said Wednesday evening. According to the weather service, the biggest snow event on record in the Twin Cities was 28.4 inches from Oct. 31 through Nov. 3, 1991.

Temperatures could plunge as low as minus 20 degrees Fahrenheit Thursday and to minus 25 degrees on Friday in Grand Forks, North Dakota. Wind chills may fall to minus 50 F, said Nathan Rick, a meteorologist in Grand Forks.

Tracking the winter weather in the Midwest 00:49

Wind gusts may reach 50 mph in western and central Minnesota, resulting in "significant blowing and drifting snow with whiteout conditions in open areas," the weather service said.

The weather even prompted about 90 churches in western Michigan to cancel Ash Wednesday services, WZZM-TV reported.

"We are bracing for what is likely to be one of the largest snow storms in Minnesota history," St. Paul Mayor Melvin Carter had said in a news conference Tuesday. 

The storm will make its way toward the East Coast later this week. Places that don't get snow may get dangerous amounts of ice. Forecasters expect up to a half-inch of ice in parts of southern Michigan, northern Illinois and some eastern states.

The potential ice storm has power company officials on edge. Nearly 1,500 line workers are ready to be deployed if the ice causes outages, said Matt Paul, executive vice president of distribution operations for Detroit-based DTE Electric. He said a half-inch of ice could cause hundreds of thousands of outages.

A half-inch of ice covering a wire "is the equivalent of having a baby grand piano on that single span of wire, so the weight is significant," Paul said.

As the northern U.S. dealt with the winter blast, National Weather Service meteorologist Richard Bann said some mid-Atlantic and Southeastern cities set new high temperature marks by several degrees.

The high in Lexington, Kentucky, reached 76 F, shattering the Feb. 22 mark of 70 F set 101 years ago. Nashville, Tennessee, reached 78 F, topping the 1897 record by 4 degrees. Indianapolis, Cincinnati, Atlanta and Mobile, Alabama, were among many other places seeing record highs.

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