A storm system brings copious moisture to the eastern U.S. through Tuesday. A vast area from the southern Appalachians to the Northeast could see ice accumulations.
Snow accumulations of 2 to 6 inches will also be common along this corridor, locally more. Temperatures will rapidly warm Monday, and heavy rain is possible in the same areas that receive wintry precipitation.
... A risk of severe thunderstorms over parts of the Lower Mississippi Valley and the Central Gulf Coast...
...Heavy snow possible over the Lower Great Lakes and the Northern Appalachians...