Across the Corn Belt, an early-season heat wave continues to promote a rapid pace of crop development.  Tuesday’s high temperatures will generally range from 90 to 100°F, although cooler conditions are arriving across the upper Midwest.  Tuesday’s heat follows Monday’s daily-record highs, which included 103°F in Lincoln, Nebraska, and 100°F in St. Louis, Missouri.  On Monday afternoon and during the overnight hours, parts of the northern and eastern Corn Belt, from the Dakotas to Ohio, contended with severe thunderstorms, featuring large hail and damaging winds.

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