SAN DIEGO - The 10News Pinpoint Weather Team says a winter storm moving in from the Northwest will bring significant snowfall to the San Diego County mountains this weekend.
Weathercaster Robert Santos said snow in the mountains could occur even down to the 3,000-foot level Saturday morning and 2,500 feet by Saturday night.
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The National Weather Service scheduled a winter storm watch for the mountains from late Friday night to Sunday morning.
A winter storm watch means there is the potential for significant snow, sleet or ice accumulation that may impact travel.
Two to five inches of snow accumulation was expected from 3,000 to 5,000 feet and up to a foot of snow was expected above 5,000 feet.
According to the NWS advisory, most of the snow will fall late Saturday morning and Saturday afternoon.
The storm will also bring strong and gusty westerly winds to the mountains and deserts.
Sustained westerly winds of 25 to 35 mph and widespread gusts up to 55 mph, with local gusts in excess of 60 mph, are possible at times, forecasters said.
A high wind watch for the deserts was expected to take effect late Friday and continue into Sunday morning. Also on Friday, a frost advisory was in effect until 9 a.m. for valley areas, where temperatures ranged from 28 to 36 degrees, according to the weather service.
San Diegans were encouraged to bring pets indoors and to cover sensitive outdoor plants.
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For mariners, a small craft advisory for rough sea conditions was scheduled from Saturday morning to late Saturday night.
According to the advisory, the combination of steep seas and strong winds will create rough and choppy sea conditions, which will be hazardous for small craft. Starting Sunday morning, winds and seas will gradually diminish, resulting in continually improving boating conditions as the day goes on.