While the grain and soy complex markets have already been in the early throes of a weather market, the next three weeks will provide a wide variety of fresh inputs that could direct trading and prices for some time thereafter. Grain and soy complex markets have already been in the early throes of a weather market. Recently, futures market prices have moved up or down daily in rather erratic fashion based on interpretations of whether the latest weather models indicate favorable or unfavorable conditions for crops. Model readings have themselves been very changeable with frequent disagreements between the EU and U.S. models. It is easy to get caught up in the ebb and flow of the short-term price action that has become increasingly volatile...