Nws Winter Storm Warning 2025 Forecast. Accuweather was ahead of all other known sources in issuing forecast snowfall accumulation and ice impact maps, providing more advance notice on dangerous impacts. Storm activity is expected to increase in both frequency and severity throughout 2025.

Storm activity is expected to increase in both frequency and severity throughout 2025. The national weather service has issued a winter storm warning for all counties in tennessee as the state prepares for a round of heavy snowfall.