Massive Arctic Storm to Blanket Much of the U.S. in Snow and Ice

A massive blast of Arctic air is expected to sweep across the United States this week, with forecasters warning that nearly 30 states and 160 million people could be affected by heavy snow, freezing rain and dangerously low temperatures. The weather system will begin strengthening over the Southwest on Thursday before sliding eastward into the weekend, bringing a widespread mix of snow, ice and bitter cold from Texas to New England.

Meteorologists say temperatures will plunge well below freezing across large parts of the country as the Polar Vortex dips southward, pulling frigid northern air deep into the continental U.S. Cities including Memphis, Nashville, Washington DC, Baltimore, Philadelphia and New York are expected to see significant snowfall, while Rocky Mountain states could be hit with heavy accumulations by Friday. In parts of the interior plains, temperatures could fall to –40F (–40C) or lower.

While snowfall totals are still being refined, some areas could receive over 12 inches (30 cm) of snow. Southern states that rarely experience such harsh winter conditions may face freezing rain capable of coating trees and power lines with ice, increasing the risk of outages.

The National Weather Service (NWS) has issued widespread warnings about life-threatening wind chills, noting that exposed skin could develop frostbite within minutes. The agency cautioned that the extreme cold could lead to hazardous travel, downed trees, power outages, reduced visibility and prolonged disruptions across multiple regions.

Governors in Texas, North Carolina and South Carolina have declared states of emergency, allowing emergency crews and National Guard units to mobilize ahead of the storm. Texas officials, still mindful of the devastating 2021 winter storm that triggered a massive power grid failure, are urging residents to prepare for potential freezing pipes, icy roads and extended cold.

With dangerous conditions expected to linger into next week, authorities nationwide are urging people to avoid unnecessary travel, secure emergency supplies and stay updated on rapidly changing forecasts.