General Comments An improving Midwest weather outlook, especially in the 10- to 15-day slot, lent a weaker tone to grain and soy markets overnight and again during the day session. Although more rains are forecast for this week, the weather models revert to drier and warmer weather this coming weekend and next week, which should allow corn planting to get underway in many areas just before the end of April. USDA reported that just 4 percent of corn was planted by 21 April compared with the average of 16 percent. Limited progress is seen for this week, which could leave USDA's next report on corn planting as of 28 April at a record low level for the date. With soil moisture replenished, there is no doubt that when conditions are right, U...