NWS Forecast Office Los Angeles, CA

A low pressure system off the coast will continue to cycle moisture into the region, keeping showers in the forecast into Thursday. Snow levels will range from between 4,000 to 6,000 ft through the period, and mountain snow will become heavy at times. Highest totals of 12 to 18 inches are expected for the L.A. County mountains above 6,000 ft, and Ventura County mountains could see up to 6 to 12 inches. Lower totals are expected for the Santa Barbara County mountains of 4 to 8 inches. Light accumulations are possible as low as 4,000 ft including the Grapevine on Tuesday and Wednesday morning. A Winter Weather Advisory will be upgraded to a Winter Storm Warning by mid afternoon for the Los Angeles and Ventura County Mountains and continue through early Thursday morning. A Winter Weather Advisory will remain in effect for the Santa Barbara County mountains through early Thursday morning. This storm will likely impact travel by creating hazardous wintery driving conditions. Icy roadways, travel delays, and road closures are possible.