treacherous ice, and bitter cold. tonight, several states already declariing states of emergency s we come on the air. the scope of the storm across more than 2,000 miles from the midwest, then the ice in the south, we re most concerned about there. and then right up the east coast into the northeast. this could bring several inches of snow in some places. tonight already, these images from the northern plains. a convoy of snowplows at work in fargo, north dakota. snow falling in cedar rapids already. significant icing danger in the southeast tomorrow. north carolina pretreating the roads with salt already. even before the storm hits the southeast, temperatures will plunge overnight into tomorrow. sub freezing wind chills tomorrow morning before it all starts. senior meteorologist rob marciano leading us off tonight to time this out for us. good evening, rob. reporter: good evening, david. cold air here in hartford, connecticut, proceeding that storm that s in the plains. we now have