Winter storm warnings and advisories are posted for all of Siouxland. Moderate to heavy snow could continue into tonight according to the National Weather Service. Accumulations of 3 to 7 inches of snow expected, with higher amounts possible along with some drifting snow.
The National Weather Service issued winter storm warnings for parts of Nebraska, Iowa, Kansas, Missouri, South Dakota, Wisconsin and Illinois.
By Tuesday morning, snow was so heavy in western Nebraska that Interstates 80 and 76 were closed in both directions after several accidents.