Friday morning, both directions of I-80 in the Sierra remain closed from Colfax to the Nevada state line due whiteout conditions and spinouts.
Eastbound State Route 20 is also closed at Nevada City.
Caltrans reported the closures of westbound and eastbound I-80 around 7:20 p.m. Thursday. Traffic heading east was stopped at Colfax while those traveling west were turned around at the Nevada state line.
Travelers heading toward Reno were stopping at chain checkpoints along the way Thursday.
Sierra Crow was traveling to Lake Tahoe for Valentine's Day.
"We have friends that rented a cabin and they invited us up and then they gave us little warning," she told FOX40.
Snow and slushy conditions were forcing drivers to slow down as plows continue to clear the roadways.
"I’m a little apprehensive about this," said traveler Julie Andolsen. "I was extra cautious because it seems smart."
While most drivers were just trying to make it through, John Mitchell and his family stopped to enjoy the fresh coating of snow.
"It’s going to get worse I think by tomorrow," Mitchell said.
Drivers had a warning for people braving the winter weather in the Sierra.
"Just be smart. Make sure you have your chains and listen to the instructions for sure," Andelson said.