This picture was taken at about 11:30am Saturday, Dec. 22, 2012 in the westbound lanes of I-80 west of Verdi. The CalTrans website reports I-80 is closed between the state line and Applegate due to spin-outs.

This picture was taken at the Nevada-California state line on Saturday, December 22nd, 2012. Traffic was allowed through to Truckee, where the road was closed due to spin-outs.

This is on westbound I-80 near Farad. 22 Dec. 2012

This is in the Truckee River Canyon from westbound I-80. 22 Dec. 2012

Eastbound traffic on I-80 just east of Truckee. 22 Dec. 2012

UPDATE 3:30pm:
RENO, Nev. -- The CalTrans website reports Interstate 80 is back open to passenger vehicles over Donner Pass. Chains are mandatory except on 4-wheel drive vehicles with snow tires on all four wheels.

According to the website, 80 is still closed to commercial trucks due to spin-outs.

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UPDATE 11:55am:
RENO, Nev. -- KOLO 8 News Now Chris Buckley is on Interstate 80 just west of the state line. She reports the California Highway Patrol (CHP) is letting cars through to Truckee. At Truckee, I-80 is closed because of spin-outs and other traffic accidents over Donner Pass. The CHP is holding traffic in Truckee until the freeway can be cleared.

Stay with KOLO 8 News Now and kolotv.com. We will bring you more updates as soon as they become available.

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RENO, Nev. -- The CalTrans website reports Interstate 80 is closed from the California-Nevada state line all the way to Applegate. The website states the reason is not the weather directly, but rather spin-outs and accidents... which, of course, are likely due to the slick, snowy road.

Chains are mandatory except on 4-wheel drive vehicles with snow tires on all four wheels. That requirement is in force from the state line to three miles east of Gold Run.

Farther into California, a high wind advisory is in effect for the Yolo Causeway and the Bryte Bend Bridge west of Sacramento.