Plains made for crippling driving conditions. Cbss Charlie De Mar is in iowa. Good evening. It sounds dangerous out there. Reporter and good evening to you. As you can see, its this drifting snow thats creating a lot of the issues on the roads. We have seen a number of jackknifed semis, and now this bitter cold really is setting in. Here in iowa, whats known as the worlds largest truck stop, it is packed with drivers and truckers who simply arent taking any chances on the icy roads. Dangerous Whiteout Conditions in iowa and other midwestern states making travel treacherous. The heavy snow and gusty winds are causing big rigs like these to crash. Iowans are digging out after almost 15 inches of snow blanketed the state. Two snowstorms back to back feels like a little much. Reporter and temperatures are plummeting across the country with the windchill as low as negative 65 degrees in the great plains