A winter storm warning has been issues from 4 a.m. Wednesday to 4 a.m. Thursday. Heavy snow is expected, with snow accumulations of 5 to 10 inches in valley locations with 10 to 20 inches in most mountain areas. Wind gusts are expected to reach 45 miles per hour, which may be blowing or drifting of snow. Conditions will make travel very hazardous or impossible. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency.