Temperatures will be mild today ahead of an approaching storm system. Clouds will be on the increase today, with mountain snow developing later this afternoon into the evening. This storm system will impact the region through Thursday evening, bringing mountain snow and valley rain. Snow levels will start at 8500 to 9000 feet today, lowering to valley bottoms across the north tomorrow morning and to 8000 ft across the south. Snow amounts of 4 to 8 inches with locally higher amounts are expected in the western Colorado mountains. Unsettled conditions look to remain over the area through the weekend, with a return to unseasonably cool temperatures. Check www.weather.gov/gjt for details and latest updates.   (Please visit http://weather.gov/gjt for more information.)