A significant mountain snowstorm will lead to a widespread 1-3 feet of snow today and tomorrow, with some slushy snow for Denver Wednesday morning. If you do not have to travel to, from, or through the mountains today, don't do it! A major winter storm is lashing the mountains with a widespread 1-3 feet likely by the time the storm ends tomorrow. A Winter Storm Warning covers most of the mountains through tomorrow night, while a Winter Weather Advisory covers the west and south sides of the Denver metro area through 5 p.m. Wednesday.