There is a Slight Risk of excessive rainfall over parts of the SouthernPlains/Lower Mississippi Valley...Light snow over parts of the Cascades on Saturday night into Sunday.Strong to severe thunderstorms from the southern Mid-Atlantic,Southeast to the Southern PlainsA front extending from the Southeast westward to the Western Gulf Coastwill slowly move southward of the Florida Peninsula by Monday evening.Showers with strong to severe thunderstorms will develop along theboundary. Therefore, th...