Transportation. We also had to close a lot of roads in southeast Missouri because of flooding, Redline said. Flooding, extreme cold and unseasonable warmth covered other parts of the country. To make sense of it all, let us take you on a North American tour. Southeast: Thunderstorms, tornadoes and torrential downpours Heavy rain, damaging winds and lightning continued. These storms were forecast to spread, bringing downpours to Georgia, South Carolina and up the East Coast into Monday. While cooler, the weather is expected to be much quieter and drier Christmas Eve and Christmas Day. On Saturday night, the National Weather Service said a tornado was likely to blame for damage in central Mississippi, including four semi-trucks overturned and five houses heavily damaged. The main trigger for the severe weather is the above-average temperatures farther north. Midwest: Lake-effect snow Sara Hadley sent CNN iReport photographs Sunday of the aftermath of a storm in Lansing, Michigan. It did n't start off too bad until we lost power last night. At that point we knew it was getting bad. Last time we had ice like this was 1998, she wrote. Her images showed branches and pine cones covered by thin layers of ice. Moderate to heavy lake-enhanced snow was expected for far western and north central upper Michigan into Monday night. Central Plains: Slammed with ice and snow Temperatures