* WHAT...Snow expected. Snow accumulations between 2 and 6 inches. Highest amounts north of Gulkana. Lowest amounts south of the Glenn and Richardson Hwy junction, near Copper Center. * WHERE...Central Copper Valley. * WHEN...Until 10 PM AKDT this evening. * IMPACTS...Travel could be difficult. Be prepared for slippery roads. Areas of low visibility especially in heavier snow. * ADDITIONAL DETAILS...Snow will continue across the Central Copper Valley through this evening. Rain may mix in with the snow at times south of Gulkana, limiting snow amounts.