Smoke and haze will continue to plague portions of the eastern half of the U.S. for the next several days.  Meanwhile, late-week showers will become more numerous across the Plains, especially from Montana to Kansas, with 1- to 3-inch totals possible.  Rain could become heavy enough in northern sections of the High Plains and adjacent Rockies to spark flash flooding.  During the weekend, much-needed rain will shift into parts of the southern and eastern Corn Belt, where 1- to 2inch totals may occur. 

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