The California Highway Patrol encourages motorists to be patient and drive slow as ice and a lot of traffic are affecting travel on Interstate 5.

Delivery of Mt. Shasta Area Newspapers, which are printed in Medford, has been delayed because of the closure of southbound traffic on Interstate 5 at Ashland. That closure was recently lifted. See www.mtshastanews.com for updates.

The Mt. Shasta Ski Park, which reported 20 inches of snow in 24 hours, is closed Wednesday because of a power outage. See www.skipark.com for updates.

As reported by the CHP, as of 11:20 a.m. Wednesday, northbound Interstate 5 is closed to commercial vehicles.

Northbound Interstate 5 is at chain control level TH 10 miles north of Redding (Fawndale):

All truck trailer combinations are being held at the chain control camper due to accidents or weather related conditions.

Southbound Interstate 5 is at chain control level R-2 three miles north of Weed (Edgewood):

Chains or traction devices are required on all vehicles except four wheel / all wheel drive vehicles with snow treaded tires on all wheels.

Northbound Interstate 5 is at chain control level R-2 three miles north of Yreka:

Chains or traction devices are required on all vehicles except four wheel / all wheel drive vehicles with snow treaded tires on all wheels.

Southbound Highway 89 is at chain control level R-2 0.5 mile south of the junction of Interstate 5 and SR 89:

Chains or traction devices are required on all vehicles except four wheel / all wheel drive vehicles with snow treaded tires on all wheels.

In southern Oregon, the two southbound lanes over the Siskiyou Summit recently reopened after many hours of closure. Weather conditions are reported as snow flurries and packed snow. Motorists should carry chains or traction devices. Expect delays.