Today's markets were greeted with an improved weather outlook for both southern Brazil and Argentina. This has the effect of emphasizing that prospects for the anticipated huge soybean crop remain intact. General Comments Note: USDA's weekly export sales report has been delayed until tomorrow, Friday, due to the holiday.During the market's Christmas downtime, South American weather forecasts have strengthened chances of rainfall over southern Brazil and Argentina next week. Heat and dry conditions will persist in southern Brazil through the weekend, but temperature moderation and increased chances of rain showers should occur by 31 December and continue thereafter for the next week. Argentina has the chance of showers this weekend and bet...