dense fog leading to a multivehicle pileup in texas, including the dramatic video that you just saw of an 18-wheeler smashing right through that scene. >> then, there was this school bus sliding down an icy road in minnesota. looks like slow-motion. it is not. chaos on the roads in north dakota, with interstate 29 closed from the south dakota state line all the way up to canada. i-94 shut down from fargo to bismarck. parts of the midwest and northeast, especially near the great lakes, could see up to a foot of additional snow. the northeast could also see more freezing rain, ice and sleet. meteorologist ivan cabrera has the latest for us. >> good morning. we have a mess on our hands. we have the ice storm across the northeast, that is developing into a huge event. we have a blizzard warning across the dakotas. there, it's all snow because it's all cold.