Severe weather is expected to sweep from the Rockies to the Mississippi River Valley in the next few days.
More than a dozen people in the U.S. died in homes that had lost their heat, and most of those were in Texas.
This week’s storms, which have killed at least two dozen people, fit a pattern of worsening extremes under climate change.
The latest storm front was expected to bring more hardship to states that are unaccustomed to such frigid weather before moving into the Northeast on Thursday.
Colorado City Mayor Tim Boyd has reportedly resigned, though it's not clear if that was before he told residents, "No one owes you [and] your family anything."
Wind-chill warnings extended from Canada into Mexico.
Texas Gov. Greg Abbott issued a disaster declaration for all of the state’s 254 counties.
The last snowstorm dumped more than 2 feet of snow on the region. The highest snowfall on Sunday was recorded west of Philadelphia.
Parts of New York, New Jersey and Connecticut could see blizzard-like conditions, with a foot to 18 inches of snow.
The most recent warning was issued late Tuesday for La Soufriere volcano in St. Vincent and the Grenadines.