CASTAIC (CBSLA) — California Highway Patrol monitored traffic on the Grapevine Monday morning as snow continued to fall the roads.

A winter storm was expected to bring rain and snow to the area, threatening a possible closure of the 5 Freeway. According to the National Weather Service, the storm was set to roll in Monday night and last through Tuesday morning.

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Earlier in the morning, CHP was escorting vehicles through the Grapevine. The escorts ended shortly after 6:30 a.m., CHP announced in a tweet.

“We had no idea it was going to be snowing at all…,” said Amanda Guyton who was driving to Washington from Disneyland Monday morning. “We left Disneyland just to get on the road to go home, not knowing that we were going to catch a snowstorm…Could barely see through the windows, the windshield, or anything.”

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Last week the CHP closed the same freeway for more than a day.

The storm is expected to bring heavy snow of four to eight inches as low as 2,500 to 3,000 feet and could significantly impact travel along Interstate 5, according to the NWS.

A winter storm watch was in effect through Monday afternoon, according to the weather service.

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CHP advised those traveling through the Grapevine in the next few days to give themselves plenty of time.