A sprawling ridge of high pressure will retreat into the South, where hot, humid conditions will persist.  Along the northern periphery of the ridge, a west-to-east band of locally heavy showers and thunderstorms will stretch from the central Plains to the middle Atlantic Coast.  Within that band, 5-day rainfall totals could reach 2 to 6 inches, with higher amounts possible in the Tennessee and lower Ohio Valleys.  Flash flooding will remain a significant threat in areas where the heaviest rain occurs. 

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