The National Weather Service in Portland issued another cold weather advisory for Portland and much of the Willamette Valley Monday night into Tuesday. The advisory lasts from 10 p.m. until 10 a.m.

Meteorologists are tracking a weather system that could bring snow and freezing rain to the Willamette Valley on Wednesday ...

The combination of cool temperatures and showery weather has meant Willamette Valley snow is possible at lower elevations ...

A winter weather advisory is in effect from midnight Tuesday to noon Wednesday for much of the northwest, including the Willamette Valley, according to the National Weather Service in Portland.