Cold temps prompted a frost advisory for Palmdale from 3 a.m. to 9 a.m. Monday.
It was sunny but cold across much of Los Angeles and Orange counties and the Inland Empire.
The Southland was pummeled with wild weather over the weekend. There was lightning and rain in Rancho Cucamonga. Hail beat down on streets and rooftops in Eagle Rock.
Snow blanketed homes and roads in Running Springs, making it a slow drive for motorists.
Angeles Forest Highway at Big Tujunga Canyon Road was closed Monday morning due to the snow, officials said. It's unknown when the road will reopen. As of Monday afternoon, the road was slated to remain closed unitl further notice due to the snow.
A lot of snowboarders and skiers were happy because snowfall in Wrightwood allowed Mountain High Resort to open early for the season. Bear Mountain Resort was expected to open Wednesday. Snow Summit was expected to open on Thursday