"Arctic Blast Brings Record Cold, Grounds Flights, and Shuts Schools Across US"
A winter storm brought dangerously cold temperatures, power outages, and hazardous travel conditions to the Rockies, Great Plains, and Midwest, leading to school closures in major cities including Chicago and Portland. The storm caused several deaths, including those from suspected hypothermia and accidents related to falling trees. Air travel was also disrupted, with thousands of cancellations reported. Frigid temperatures are expected to continue before moderating midweek, with a new surge of colder air forecast for the Northern Plains and Midwest by the end of the week.