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Casey Christie / The Californian

The very top of the mountain peaks on the west side of Isabella Lake are clothed in snow and visible from a four wheel-drive road near Squirrel Mountain Valley Thursday.

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Felix Adamo / The Californian

Snow still sticks to this Frazier Park truck following the overnight snow.

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Felix Adamo / The Californian

Traffic leaves the Frazier Park area heading to Interstate 5 on Frazier Mountain Park Road. The snow is light in these lower elevations.

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Felix Adamo / The Californian

Clouds move in and around the snow-capped mountains at the Grapevine.

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Felix Adamo / The Californian

Clouds above, and clouds below, with the snowy Tehachapis framed in the center. This photograph was taken from Sandrini Road and Interstate 5.

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Felix Adamo / The Californian

Danielle Dennission, 8, of Frazier Park lets out a scream of joy as she races down a snowy incline.

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Felix Adamo / The Californian

KNBC channel 4 cameraman Joel Cooke takes a wild ride on a toboggan at Frazier Park to get a POV (point of view) shot for the Los Angeles evening news.

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Felix Adamo / The Californian

Sharlotte Dennission of Frazier Park is interviewed by Los Angeles KNBC channel 4 reporter Annette Arreola about the overnight snowfall in the mountain community. Joel Cooke is the cameraman.

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Felix Adamo / The Californian

The Delreal kids have dad on the run during a snowball fight at Frazier Park Park. From left is Valeria, 7, Joaquin, 8, Daniela, 9, Laurdes (mother) and dad Catarno. The family came up from Gorman to enjoy the snow.

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Felix Adamo / The Californian

Nine-year-old Daniela Delreal puts the finishing touches on her family's snowman in Frazier Park.

A dense fog advisory is in place until noon Friday, and more rain and snow is expected in Kern County through the weekend.

Visibility will be a quarter of a mile or less, according to the National Weather Service. Some places will have visibilities of less than 500 feet.

The fog comes after a Thursday of wet conditions. El Tejon Unified School District was closed Thursday because of wet, slushy conditions in the Lebec area.

Total rainfall for Bakersfield from Wednesday evening into Thursday morning was .25 of an inch, said National Weather Service Meteorologist Gary Sanger.

Come Friday night, rain might return. There will another weak storm system over the deserts and mountains, Sanger said. There is a 20 percent chance of rain, according to the weather service. The high is forecast at 54 degrees and the low at 38.

On Saturday night into Sunday a stronger system is expected to dump more rain on the region. Sunday brings a 20 percent chance of rain, according to the weather service. The high is forecast to be 57 and the low 41.

For the mountains, snow is expected to continue Friday. In Tehachapi and Frazier Park, there's a 40 percent chance of snow. The Grapevine is also likely to see snow. Gorman has a 60 percent chance of snow for all of Friday, according to the National Weather Service.

Kern County Superintendent of Schools Director of Transportation Sheryl Boe said each district's superintendent makes the call about whether to close for the day or open a couple of hours later if there's inclement weather. Each district has its own policy in place regarding what time decisions are made, but the general recommendation is to have it made by 6:30 a.m.

"It's kind of a guessing game," Boe said.

For information on delays at Kern County schools, go to kern.org, click on "alert line" and then check "today's alerts."