The National Weather Service's GFS model generates this animated forecast into Sunday morning. | Tom Skilling

The midday run of the American GFS forecast model is in, and this animation shows the progress of an area of low pressure it expects to develop and move east, bringing snow to areas on the north side of the storm. This animation covers the period from Sunday evening through Tuesday night. Most of the snow with this system falls late Monday / early Tuesday. More forecast details are available on https://www.weatherboy.com | Weatherboy Weather