A wave of low pressure along the southern end of cold front extending northeastward into the eastern Great Lakes region will become the dominant system Tuesday and Wednesday, resulting in heavy showers and locally severe thunderstorms across the South.  Five-day rainfall totals could reach 4 to 8 inches or more from the southeastern Plains into the mid-South, as well as portions of the Ohio and Tennessee Valleys.  Rainfall should total an inch or more throughout the South, East, and lower Midwest, except across southern Florida. 

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