Even with this nostril-freezing cold, the family still prefers winter over summer."You can always put on more layers," she said. "When it gets hot, you can only take off so much."For a big swath of the Midwest, the subzero cold moved in behind another winter wallop: more than a foot of snow and high winds that made traveling treacherous. Several deaths since Saturday were blamed on the snow, ice and cold, including a 1-year-old boy who was in a car that went out of control and collided with a snowplow Monday in Missouri and three fatal accidents in Michigan.It took authorities in southern Illinois using 10-ton military vehicles known as "wreckers" until early Monday to clear all the chain-reaction accidents caused when several semis jackknifed along snowy interstates. The crash stranded about 375 vehicles, but there were no fatalities or injuries, largely because motorists either stayed with their cars or were rescued and taken to nearby warming centers, said Jonathon Monken, director of the Illinois Emergency Management Agency. Others got stuck in the snowdrifts, including the Southern Illinois University men's basketball team, which had to spend the night in a church.In the eastern United States, temperatures in the 40s and 50s Monday helped melt piles of snow from a storm last week, raising the risk that roads would freeze over as the cold air moved in Monday night, said Bob Oravec from the Weather Prediction Center in College Park, Md. The snap was set to be dramatic - Springfield, Mass., enjoyed 56 degrees Monday morning but faced an overnight low of 6.More than 3,700 flights were canceled by late Monday afternoon, following a weekend of travel disruption across the U.S. Airline officials said de-icing fluid was freezing, fuel was pumping sluggishly, and ramp workers were having difficulty loading and unloading luggage. JetBlue Airways stopped all scheduled flights to and from New York and Boston on Monday UGG Short Classic 5800 Chocolate Boots
. Southwest ground to a halt in Chicago earlier in the day, but by the evening, flights resumed in "a trickle," a spokesman said.