A mid-summer heat wave will remain focused across the south-central U.S., although peripheral impacts will affect much of the western and central U.S.  Late-week temperatures above 100°F will reach into the southwestern Corn Belt and the mid-South, with potentially serious implications for reproductive to filling summer crops.  Heat will be accompanied by lack of rainfall, with no meaningful precipitation expected during the next 5 days from the Pacific Coast to the Plains, except in portions of the Four Corners States. 

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