Snow and fierce winds are making their way across the West on Wednesday, moving from California to Nevada, Idaho, Montana and Wyoming. Snow accumulations of up to 2 feet are still possible in parts of northern California on Wednesday, but wintry weather will also impact mountainous areas of southern California. The storm impacting the western states is expected to spread east in the coming days, bringing severe weather to the Mississippi Valley and the Great Plains later this week, according to AccuWeather meteorologists. And in the Southeast, frost advisories were sprinkled across the region, with freezing temperatures from Arkansas to Virginia. Here’s what you need to know. What's the difference?:Sleet vs. freezing rain vs. hailWhat is a flash flood watch or warning? Here's what to know about this deadly weather hazardSnow, winds hit the West Winter storm conditions are moving across the West Wednesday, extending from California to Wyoming. Winter storm warnings and winter weather advisories were in effect across a swath of northern California. A winter storm warning remained in effect until 11 a.m. in the Shasta Lake area, with snow accumulations of up to 2 feet expected. And further south, accumulations of up to a foot were possible on higher peaks of the Santa Barbara County interior mountains. In southwest Montana, a winter weather advisory is in effect beginning at noon on Wednesday, with snow accumulations of up to 9 inches for higher elevations.And parts of Nevada are under a winter weather advisory from 5 a.m. Wednesday, with snow accumulations also up to 9 inches and winds gusting up to 50 mph. Frost advisories dot the South Frost advisories were in effect in patches across the South on Wednesday, impacting parts of: Arkansas Mississippi Missouri North Carolina Tennessee Virginia Although temperatures are not expected to reach below 30 degrees, frost can still kill crops and other sensitive vegetation, the National Weather Service warned. Winter storm trackerNational Weather Radar Source link