The snow outside your home is about to get deeper.

The National Weather Service office in Wichita predicts 1-3 inches of new snow accumulation tonight in portions of south-central and southeast Kansas as wintry weather continues to batter the region.

The snowstorm is expected Tuesday night and Wednesday morning, with the highest amounts near the Oklahoma border. The weather service issued a winter weather advisory, effective from 6 p.m. to 9 a.m., for Allen, Butler, Chautauqua, Cowley, Elk, Greenwood, Harper, Labette, Montgomery, Neosho, Sedgwick, Sumner, Wilson, and Woodson counties.