Rain and snow is returning to Oregon this weekend, and low elevation snow and ice will become possible next week.

Cold weather advisory: Be Aware. A cold weather advisory is issued when seasonably cold air temperatures or wind chill values, but not extremely cold values, are expected or occurring. Be sure you and your loved ones dress appropriately and cover exposed skin when venturing outdoors.

On Saturday at 1:56 a.m. the National Weather Service issued a cold weather advisory valid from 10 p.m. until Sunday 10 a.m. for North Oregon Coast Range Lowlands, Central Oregon Coast Range Lowlands,

Portland and much of western Oregon can expect a chilly and sunny Saturday, followed by another night of frigid temperatures. The National Weather Service in Portland issued a cold weather advisory till 10 a.

Forecasters are warning that air pollution may become trapped and adversely affect humans, due to weather conditions in the U.S.

After a wet and wild start to the month, Oregon’s weather has dried out in a big way and that’s expected to stay the case for the foreseeable future.

The National Weather Service is warning of air stagnation and dense fog in the Willamette Valley. Advisories have been issued for both events. Dense fog is expected to persist until 1 p.m ...

The National Weather Service has simplified some of its winter weather alerts for Wind Chill and Extreme Cold Warnings.

A surface inversion is preventing the normal mixing of air, meaning pollutants will remain trapped at lower altitudes.

Cold Weather Advisories have been put into place across the Pacific Northwest this week, but many might be unaware of the new cold weather terms.

Portland’s air quality is currently comparable to Los Angeles, despite the ongoing wildfires in Southern California.

Due to the recent extended drying pattern and east winds in the forecast this weekend, the Oregon Department of Forestry is encouraging anyone who may have completed a debris or slash burn in the past few months to monitor and patrol the burn site.