The 5 Freeway was shut down in both directions Sunday night due to inclement weather, according to Caltrans.
The 5 Freeway was shut down northbound near State Route 138 and southbound at Grapevine Road as of 7:09 p.m., according to Caltrans.
Earlier in the day, Caltrans had warned drivers about snow starting to stick onto the road.
Both directions of the 5 Freeway remained shut down as of 9:01 p.m., according to the California Highway Patrol.
There was no immediate estimate of when the road would be open.