Carry chains in snow zones is a law and mandatory through March 31st. You MUST have chains with you, or approved snow tires or studs on your vehicle, or carried with you north of Redding, California to Cottage Grove, Oregon due to the snow zones you must go through while traveling on I 5.
Bare pavement from Redding to Cottage Grove, carry chains
Shasta County - California - Northbound traffic reduced to one lane from Vollmers Road north of Lakehead to Gibson Road at Castella as they make repairs to fire damage.
Siskiyou County - California - Construction and bridge repair work continues at the Klamath River Bridge northg of Yreka. Lane closure in effect both north and south bound.
Jackson County - Oregon - Constuction will be occurring on the new Welcome Center and Rest Area south of Ashland near mile post 12. Travel is reduced to one lane in each direction with speed reduced to 50 miles an hour in the construction zone.
Northern California I 5 webcams
I 5 Hwy 89 junction - http://www.dot.ca.gov/cwwp2/data/d2/cctv/image/i5sr89/i5sr89.jpg
Anderson Grade north of Yreka - http://www.dot.ca.gov/cwwp2/data/d2/cctv/image/andersongrade/andersongrade.jpg
Siskiyous at Hilt - http://tripcheck.com/RoadCams/cams/NorthHilt_pid613.jpg?rand=1480450985779
Southern Oregon I 5 webcams
Siskiyous at mile post 2 - http://tripcheck.com/RoadCams/cams/Siskiyou%20I-5%20NB%20at%20MP.2_pid1688.JPG?rand=1480451226070
Ashland Chain up southbound - http://tripcheck.com/RoadCams/cams/Siskiyou%20Chain%20Up%20Area%20N_pid2515.JPG?rand=1480451299940