News Snapshot:
* Forecasts of freezing weather in U.S. Plains, Midwest * Dryness seen threatening Argentina's soybean crop (Adds quote in paragraphs 3-4, updates prices) By Naveen Thukral SINGAPORE, Dec 22 (Reuters) - Chicago wheat futures rose for a third consecutive session on Thursday, as forecasts of freezing temperatures across key U.S. growing areas threatened crops. Soybeans edged higher with support from dry weather in Argentina. "The unusually cold temperatures pose a risk for U.S. winter grain damage over the next week for uncovered areas," said Terry Reilly, senior commodity analyst with Futures International in Chicago. "Lack of snow coverage stretches across...
