A Winter Weather Advisory has been issued for the following counties in Iowa, Appanoose, Davis, Mahaska, Monroe, Wapello, Wayne and Clayton. This is added to the other counties that are under a Winter Weather Advisory. This will expire tomorrow afternoon. Snowfall of 3-5 inches is expected SE of a line from Centerville to Cedar Rapids to Guttenberg. Heavier amounts will occur in extreme eastern Iowa into NW Illinois and southern Wisconsin, where up to 8 inches of snow is possible. Lighter amounts will be to the west.