After several days of freezing temperatures, snow began falling early Friday morning in the Portland area.
The Portland Public Schools remain open.
Willamette Valley: Please use extreme caution if you choose to drive today. Consider transit as an alternative.— Oregon DOT (@oregondot) December 6, 2013
I-5 was closed 14 miles south of Cottage Grove due to a semi fire and snow. It was reopened at about 8 a.m.
I-5 was also blocked near Castle Rock in Washington State.
The snow is expected to taper off and it will be windy in Portland this afternoon.
OPB listeners in Eugene, Dallas and Corvallis also reported snow.
A winter storm warning was issued for the coast and South Willamette Valley by the National Weather Service. It is in effect until 4 p.m.
A Winter Storm Warning is on until 4 a.m. Friday for Central Oregon. There is a wind child advisory in effect and temperatures could dip to 10 - 30 below through the weekend.
Winter Weather Advisories have been posted for much of Western Oregon,including the Portland Metro, the Central Willamette Valley and the North Oregon Coast.