Earlier, blizzard warnings extended from the Oklahoma and Texas panhandles into south-central Kansas. The blizzard warnings have been dropped for the far western panhandles.
The first major snowstorm of the season shuttered schools in Missouri, and cut power to 30,000 people in Iowa. Chicago, Milwaukee, and Michigan are expecting as much as a foot of snow Thursday.
Rick Santorum's strong win in the Kansas caucuses Saturday will give him most of the delegates there. Now it's on to primary elections in Alabama and Mississippi next Tuesday.
Mitt Romney aims to add to his substantial lead in the delegate count, but Rick Santorum is strong in Kansas. All the Republican presidential candidates are concentrating on Tuesday's primaries in Mississippi and Alabama.