ice and some snow. widespread freezing rain. the potential for an ice storm. we do know it s going to hit and be significant. the governor gives advance warning before the wintery weather moves in. we re getting ready. trucks are coming here now. workers are coming here now. reporter: officials are trying to stay ahead of the storm. this gridlock nightmare caught them by surprise a couple of weeks ago. we ve been confronted with an unexpected tomorrow. reporter: this horning, oklahoma, arkansas and tennessee are expected to see a wintery mix of snow, sleet, freezing rain. this mess then making its way down to alabama, georgia and the carolinas. snow made for dangerous driving conditions in pennsylvania on sunday. this tour bus crashing on the highway, state police say the driver accelerated too fast on the snow covered road and lost control. nearly 30 injured, at least one in serious condition.