If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

* WHAT...Heavy snow expected. Total snow accumulations of 8 to 20 inches, up to 30 inches at the highest peaks. Winds gusting as high as 35 mph. * WHERE...Western Plumas County/Lassen Park and West Slope Northern Sierra Nevada above 4000 feet, including Interstate 80 over Donner Summit and Highway 50 over Echo Summit. * WHEN...From 8 AM Friday to 5 PM PDT Sunday. * IMPACTS...Travel could be very difficult from delays, snow- covered roads, and chain controls. The hazardous conditions will impact holiday weekend travelers. * ADDITIONAL DETAILS...Snow levels 3500 to 4500 feet. Heaviest snow expected Friday afternoon and into Saturday morning with rates up to an inch per hour.