Heavy snow has closed Interstate 5 on the Siskiyous Pass.

Heavy snow has closed Interstate 5 on the Siskiyous Pass.

Transportation officials posted notice at about 1 p.m. that southbound I-5 is closed at Ashland, with no traffic allowed past Exit 11, and northbound I-5 traffic is being held at Yreka, Calif.

Oregon Department of Transportation officials estimate the freeway will remain closed until 5 p.m., depending on weather conditions.

Oregon State Police said all officers in the area are working on the pass, where numerous crashes, even of vehicles with chains, were reported.

Mount Ashland is closed because Mount Ashland Ski Road couldn't be plowed after heavy snows fell in a short time

An ODOT weather station on the pass reported 8 inches of new snow, with flakes still falling fast.

— Anita Burke