Meanwhile, more than 370,000 utility customers across Texas were without power as of early Thursday morning, according to the outage tracking website. poweroutage.us.

“Ice and tree limbs are still breaking up as our line workers are working on restoration,” utility provider Austin Energy tweeted Wednesday. As of early Thursday, the utility had more than 154,700 customers without power, according to PowerOutage.us.

utility company saying some areas could be without power through Friday and noted that restoration efforts were also being hampered by ice buildup and freezing temperatures.

As the storm drew to a close, US flight cancellations also appeared to be on the decline after hundreds of flights were canceled this week due to severe weather.

As of early Thursday morning, just under 670 flights within, to and from the US have been cancelled, according to the online flight tracker. reported flight. At least 257 of those cancellations were related to Dallas-Fort Worth International Airport, while 48 were at Austin-Bergstrom International Airport. Dallas Love Field had just under 30 cancellations, according to FlightAware.

As the severe storm system moves out of the southeast, steady rain is likely Thursday from the lower Mississippi valley to the southeast, creating the possibility of isolated flooding, the National Weather Service said.

«The next pulse of arctic air entering the nation from Canada is forecast to affect the Northern Plains and Upper Midwest» on Thursday, it said. The chills could turn «dangerously cold,» she warned, and areas with fresh snow cover could also face brief blowing conditions from the gusty winds that accompany the arctic front.

Frigid temperatures are expected to «engulf the Northeast and North Mid-Atlantic» by Friday, he said. The core of the cold is expected to pass through the Northeast and specifically northern New England, potentially bringing the coldest weather the region has felt in decades.