(CNN) Devastating weather that left 10 people dead over the weekend will make a dramatic encore.

Torrential rain will deluge parts of the Southeast this week as swaths of the Northwest will get walloped by feet of snow.

Clusters of showers and thunderstorms will continue for several days in the Southeast, the National Weather Service said , raising concerns for flash flooding.

Ferocious storms -- including tornadoes -- killed at least 10 people since Friday: three in Texas, three in Louisiana, three in Alabama, and one in Oklahoma.

Rain and hot temperatures in the South

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