From Montana to the Florida Panhandle, the weather service posted cold weather advisories and extreme cold warnings as temperatures in many places dipped to zero (minus-18 degrees Celsius) and even colder. Members of the Mississippi National Guard walk along a snow covered 3rd Street NW in Washington, on Jan. 25, 2026. At one point Sunday morning, about 213 million people were under some sort of winter weather warning, authorities said. A massive winter storm is expected to affect millions reaching from Texas to Massachusetts. A massive winter storm is bringing frigid temperatures, ice, and snow to nearly 200 million Americans.