San Bernardino County Mountains and Riverside County Mountains are the focus of an updated winter weather advisory issued at 5:27 a.m. on Monday by the National Weather Service. The advisory is in effect until 10 a.

Western San Gabriel Mountains/Highway 14 Corridor, Eastern San Gabriel Mountains, Santa Barbara County Interior Mountains, Southern Ventura County Mountains and Northern Ventura County Mountains are under an updated winter storm watch which was issued by the National Weather Service on Monday at 8:47 p.