The California Highway Patrol is escorting traffic on the I-5 near Grapevine due to incoming snow.
CHP says snow levels are expected to drop down to 1,500 feet.
Officials are advising drivers to be prepared for possible closures that might come Wednesday night.
OPERATION SNOWFLAKE: Planning on driving through I-5 between Bakersfield and Los Angeles County? Be prepared for snow and a potential closure of I-5 through the #Grapevine. Here are some winter weather driving tips to stay prepared: pic.twitter.com/EMg17dn6tx— Caltrans District 7 (@CaltransDist7) February 21, 2019