The National Weather Service (NWS) has issued winter weather advisories for the Mountain West region of the United States, specifically targeting Colorado, Wyoming, and Montana, as a severe snowstorm approaches. Starting Sunday, areas in Colorado could see between 3 and 12 inches of snow, particularly in the higher elevations of the eastern Sawatch and San Juan Mountains, where winds may reach 45 mph. Wyoming's south central and southeastern regions are also forecasted to receive 6 to 12 inches of snow, with hazardous conditions expected to persist into Monday morning. In Montana, north-central areas could experience up to 6 inches of snow. Travelers are advised to exercise caution, as blowing snow may significantly reduce visibility and create treacherous road conditions. Looking ahead, the NWS anticipates typical winter conditions for the week, with chances of snow showers but little accumulation expected, leading to gradually warmer and drier weather by next weekend.