Winter storm warnings issued for nine states as heavy snow approaches US

Nine states are under winter storm warnings as a significant winter storm approaches the U.S. The National Weather Service forecasts up to 5 feet of snow in parts of California, Oregon, Idaho, Wyoming, Utah, Colorado, Arizona, New Mexico, and Nevada. Travel conditions are expected to be hazardous, especially in mountainous areas. In Wyoming, up to 3 feet of snow is possible in the Tetons, while California's Sierra Nevada could see up to 5 feet. Warnings are in effect until Saturday, with updates available on the NWS website. Freezing temperatures and heavy snowfall may lead to power outages and difficult travel.