Snow and ice fell trees as a winter storm sweeps the United States. In Oxford, Mississippi, on Sunday, January 25, 2026. JOSH MCCOY / AP

More than half a million Americans woke up without power on Tuesday, January 27, as freezing temperatures gripped swaths of the country in a monster storm that has killed at least 30 people.

A frigid, life-threatening Arctic air mass could delay recovery as municipalities from New Mexico to Maine tried to dig cars out after the storm, which dropped a vicious cocktail of heavy snow and wind, along with freezing rain and sleet. While skies began clearing in parts of the country, relentless snowfall in the northeast meant parts of Connecticut saw over 22 inches (56 cm) of snow, with more than 16 inches (40.6 cm) recorded in Boston, Massachusetts.

Read more In photos: Deadly winter storm sweeps across US, kills at least 23

Forecasters warned that much of the northern half of the country will see temperatures that are "continuously below freezing through February 1," the National Weather Service said in a post on X. It added that "record low temperatures" hit southern states, which are unaccustomed to intense winter weather.