NEW : Snow is hammering parts of Iowa and Nebraska . NEW : On the flip side , the 20 degrees above average forecast for New York City feels more like early summer , '' he said . All flights are canceled at Omaha 's airport . An ice storm is making travel tough in South Dakota , a local reporter says .
NEW : Snow is hammering parts of Iowa and Nebraska . NEW : All flights are canceled at Omaha 's airport . An ice storm is making travel tough in South Dakota , a local reporter says .