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WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH LATE MONDAY NIGHT... * WHAT...Heavy snow possible. 8 to 16 inches between 6000 and 7000 feet, with 1 to 3 feet above 7000 feet. Winds could gust as high as 45 mph. * WHERE...Western Plumas County/Lassen Park and West Slope Northern Sierra Nevada, including Interstate 80 over Donner Pass, Highway 50 over Echo Summit, and Highway 88 over Carson Pass. * WHEN...Snow levels above 6000 feet Friday night through Sunday morning, rising to above 7000 feet Sunday evening. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. * ADDITIONAL DETAILS...Heavy, wet snow expected with this system..