he National Weather Service in Lincoln has issued a winter weather advisory in effect from 6 p.m. today to 6 p.m. Sunday for the Vermilion County area. Snow will begin to spread into central Illinois this afternoon. The heaviest snow accumulations are expected tonight into early Sunday afternoon. Accumulations of 4 to 6 inches are likely over much of the area, with the heavier totals in a corridor from near Jacksonville east through Decatur to near Danville and Paris. Some locally higher amounts will be possible Roads will quickly become snow covered and slippery late this afternoon and specially this evening. Visibility will be reduced to less than a mile in the heavier snow tonight and Sunday.