Deep freeze spreads in California; temperatures to fall into 20s

California's deep freeze continued overnight as the California Highway Patrol closed Interstate 5 through the Grapevine due to snow and ice.

The freeway reopened around 7 a.m. Friday, but the CHP warned that closures were likely continue as the cold weather persists.

The National Weather Service said temperatures dropped into the 30s in valley area as well as Long Beach, Torrance, Redondo Beach, Whittier and other parts of the L.A. basin. Some inland valleys recorded below-freezing temperatures overnight with even colder readings expected Sunday.

Highs Saturday will be in the 50s, significantly lower than average.

The NWS issued frost advisories for the L.A. area Saturday morning as well as overnight into Sunday morning.

Temperatures are forecast to fall in the 20s in some inland valleys overnight.

-- Shelby Grad