Saturday will feature a mainly cloudy sky, although some sunshine will be likely in southern areas. A band of lake-effect snow will be likely from the Watertown, NY area to southern St. Lawrence County and the Tri-Lakes region. A few snow showers will be likely elsewhere, especially near the mountains. Highs reach the mid-30s.Tonight will be mostly cloudy with a few snow showers, especially north. Lows range from the upper teens to upper 20s.Sunday will be mostly cloudy, with a few passing snow showers. A persistent band of lake-effect snow will continue towards southern St. Lawrence County. Highs again reach the mid-30s.There will be a common theme to the forecast next week: clouds mixed with some sun, a breeze and passing snow showers (especially near the mountains).A chilly stretch is expected over this course of days, with highs consistently in the 30s.The water in the Great Lakes and Hudson Bay …