Reuters: Thunderstorms that brought significant rainfall to the northern U.S. Midwest early this week, accompanied by warm temperatures, bolstered growth prospects for recently planted corn and soybean crops, an agricultural meteorologist said on Wednesday. "There will be additional showers into the weekend in the central and southwest Midwest and heavier rains are expected in the east," said Joel Widenor, meteorologist for Commodity Weather Group. Drier weather next week in the north will also help ensure...