Winter Storm 2025 Warning Usa. Et monday, peaking sunday morning through sunday evening. A polar vortex is slated to sweep most of the continental us bringing winter storm warnings and a hazardous freeze to millions.

A winter storm warning comes when heavy snow of at least 6 inches in 12 hours or 8 inches of 24 hours, or sleet over half an inch is expected. The storm prompted seven states from new jersey to kansas to.