US winter 2025‑26: Complete snowfall forecast, first snow dates, regions most likely to see snow, and what to expect

Northern US regions anticipate an earlier-than-usual snowfall for the 2025-26 winter, with the Rockies and Midwest expecting flakes by late September or early October. This early start signals potentially challenging travel conditions, while southern states are forecast to remain drier. A colder, snowier winter is predicted, influenced by La Niña, prompting preparedness for disruptions.