A dangerous deep freeze is blasting the Northeast and Midwest, where record-breaking cold temperatures are paralyzing cities and communities.
At least eight people have died in connection with the coldest weather in decades across the Northern Plains and Midwest.
The wind chill (what it feels like) in Chicago plunged to minus 52 on Wednesday — the coldest wind chill since 1985. It was minus 55 in Minneapolis, also the coldest wind chill since 1985.
The bone-chilling temperatures are unrelenting in the Midwest, where the actual temperatures — not wind chills — remained in the minus 20s and minus 30s Thursday morning.
Record low actual temperatures for this date were recorded in Chicago: minus 21 degrees; Madison, Wisconsin: minus 26 degrees; and Milwaukee: minus 23 degrees.
In Michigan, Gov. Gretchen Whitmer on Thursday urged residents to turn down their thermostats “due to extremely high energy demand.”
On the East Coast, New York City had a temperature of 2 degrees — the coldest day in three years.
Philadelphia reached a temperature of 5 degrees with a wind chill of minus 11 — the coldest so far this winter.
Boston also fell to 5 degrees with a wind chill of minus 16 — the worst so far for the year.
At least eight people, including two in the Detroit area, have died in connection to the dangerously cold weather, according to The Associated Press.
University of Iowa student Gerald Blez, who was studying medicine, died Wednesday, the university said. His cause of death is believed to be weather-related, officials said, according to ABC affiliate KCRG. The wind chill at the time was minus 51 degrees, KCRG said.
In Milwaukee, Wisconsin, a 55-year-old man was “cold and frozen” when he was found dead in a garage near a snow shovel Tuesday, a medical examiner’s office official said.
Another man was killed by a snowplow in Libertyville, Illinois, local police said.
The weather has wreaked havoc on transportation.
Over 8,000 flights have been canceled since Monday. On Wednesday over 1,8000 flights were canceled in Chicago alone.
Chicago is set to see more snowfall Thursday night, the mayor warned.
In Buffalo, New York, where about 20 inches of snow fell, the airport canceled most of its flights Wednesday.
Lake effect snow is set to continue in western New York state with more than 1 foot of snow still possible.
Classes were also canceled at major universities, including the University of Chicago, Northwestern, University of Wisconsin – Madison and the University of Michigan – Ann Arbor.
The core of the coldest air lifts north back to Canada by Friday, but wind chills are still going to be very low.
Friday wind chills are forecast to clock in at minus 16 degrees in Minneapolis; minus 4 in Chicago; minus 8 in Detroit; minus 4 in Boston; and 3 in New York City.
By the weekend, some areas will feel like it’s almost 100 degrees warmer than it is now.
In Chicago, where wind chills were in the minus 50s Wednesday, residents will warm up to temperatures in the 40s.
ABC News’ Christine Theodorou contributed to this report.
