Winter Weather Storm Warning 2025 Usa. This is complemented by an existing operational version of the winter storm severity index (wssi), which is based on the official national weather service forecast of the. It will be followed by a second winter storm named garnett this weekend.

− more than 60 million americans were under winter weather and storm advisories sunday as a swath of the midwest and east, already gripped by bitterly cold. Accuweather was ahead of all other known sources in issuing forecast snowfall accumulation and ice impact maps, providing more advance notice on dangerous impacts.