A major winter storm is lashing Colorado's mountains with a widespread 1-3 feet likely by the time the storm ends Wednesday. A Winter Storm Warning covers most of Colorado's mountains through Wednesday night, while a Winter Weather Advisory covers the west and south sides of the Denver metro area through 5 p.m. Wednesday. The 9NEWS Weather Impact Team has called for a Weather Impact Day for both Tuesday and Wednesday morning across Colorado, though our big focus is on the mountain snowstorm. The mountains will have steady, heavy snow all day Tuesday, with the absolute heaviest of the snow likely falling there Tuesday night before it winds down there Wednesday morning. If you do not have to travel to, from, or through the mountains in western Colorado on Tuesday, don't do it. More local videos here: https://youtube.com/@9news Subscribe to NEXT: https://youtube.com/@Nexton9NEWS Stay connected: 9NEWS Website: https://www.9news.com/ Facebook: https://www.facebook.com/ilike9news Twitter: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.