The National Weather Service has issued a Winter Storm Warning that is in effect until Saturday, at 4 a.m. The forecast calls for up to 2 feet of snow above 7,000 feet and 8 to 12 inches above 5,000 feet, with gusty winds up to 65 mph affecting several mountain passes. Motorists should be prepared for chain controls, additional travel times and delays. Forecasters advise to avoid mountain travel during this period if possible.