Mid- to late-week freezes are expected from the Great Lakes region into the Northeast.  Meanwhile, back-to-back storm systems will traverse the western U.S. before tracking from the central Plains into the Great Lakes States.  Five-day, two-storm rainfall totals should broadly reach 1 to 4 inches or more across the Plains, Midwest, and mid-South, with some of the highest totals expected from eastern sections of Kansas and Oklahoma into the middle Mississippi Valley.  Locally severe thunderstorms, featuring high winds, large hail, and isolated tornadoes, will accompany the rain. 

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