Heavy lake-effect snow over parts of the western U.P. of Michigan andlake-effect snow downwind from the Great Lakes; moderate to heavy snowover the Southern Rockies.There is a Slight Risk of excessive rainfall over parts of the SouthernPlains and Western/Central Gulf Coast.There is a Slight Risk of severe thunderstorms over parts of southernTexas.A front extending from the Great Lakes to the Central Plains will move offthe Northeast Coast by Sunday evening. In the wake of the front,upper-leve...