1/19/12 – Wisconsinites are shivering through their coldest morning of the winter. It got down to 13-below in Superior, Hayward, and Siren. And unlike yesterday, cold winds are blowing. Rhinelander and Marshfield had the state’s lowest wind-chill factors at minus-33 as of six this morning. Wind-chills were generally in the minus-teens-and-20’s in northern and central Wisconsin, and in the single digits and teens below in the south. As of 7am, the wind chill in Brownsville was at -17, it was -13 in Cambria and -9 in Watertown. Kenosha was the state’s warm spot with 17 degrees at six o’clock. The National Weather Service has issued a wind-chill advisory until noon for western and central parts of the Badger State. A lake effect snow advisory continues in Iron County until noon. And a winter storm watch has been posted for tomorrow, as up to a half-foot of snow is expected in southern Wisconsin with only a chance of light snow in the north. The cold temperatures are expected to continue at least through Saturday. It might get down to 20-below tonight in parts of the north.